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[Bug 1498502] [NEW] LB_NFV[Alchemy]after create 301 LB pool , the lb network unstable

 

Public bug reported:


1 create two-arm LB with 1client and 1 backend server on a tenant
2 repeat step1 to create 350 tenants
3 after step 2 , the LB network unstable

log and cpu infor
[root@nsj4 ~]# ip netns exec qlbaas-ade3e627-5fda-4781-855e-25a0f5217d17 ping 20.1.1.100
PING 20.1.1.100 (20.1.1.100) 56(84) bytes of data.
>From 20.1.1.101 icmp_seq=1 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=2 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=3 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=4 Destination Host Unreachable<<<<<<<<<<<<<<<<
64 bytes from 20.1.1.100: icmp_seq=6 ttl=64 time=0.100 ms
64 bytes from 20.1.1.100: icmp_seq=7 ttl=64 time=0.067 ms
64 bytes from 20.1.1.100: icmp_seq=8 ttl=64 time=0.081 ms
>From 20.1.1.101 icmp_seq=5 Destination Host Unreachable
64 bytes from 20.1.1.100: icmp_seq=9 ttl=64 time=0.054 ms
64 bytes from 20.1.1.100: icmp_seq=10 ttl=64 time=0.050 ms
64 bytes from 20.1.1.100: icmp_seq=11 ttl=64 time=0.087 ms
64 bytes from 20.1.1.100: icmp_seq=12 ttl=64 time=0.065 ms
64 bytes from 20.1.1.100: icmp_seq=13 ttl=64 time=0.079 ms
64 bytes from 20.1.1.100: icmp_seq=14 ttl=64 time=0.073 ms
64 bytes from 20.1.1.100: icmp_seq=15 ttl=64 time=0.062 ms
64 bytes from 20.1.1.100: icmp_seq=16 ttl=64 time=0.070 ms
64 bytes from 20.1.1.100: icmp_seq=17 ttl=64 time=0.058 ms
64 bytes from 20.1.1.100: icmp_seq=18 ttl=64 time=0.146 ms
64 bytes from 20.1.1.100: icmp_seq=19 ttl=64 time=0.060 ms
64 bytes from 20.1.1.100: icmp_seq=20 ttl=64 time=0.097 ms
64 bytes from 20.1.1.100: icmp_seq=21 ttl=64 time=0.114 ms
64 bytes from 20.1.1.100: icmp_seq=22 ttl=64 time=0.091 ms
64 bytes from 20.1.1.100: icmp_seq=23 ttl=64 time=0.122 ms
64 bytes from 20.1.1.100: icmp_seq=24 ttl=64 time=0.074 ms
64 bytes from 20.1.1.100: icmp_seq=25 ttl=64 time=0.091 ms
>From 20.1.1.101 icmp_seq=26 Destination Host Unreachable<<<<<<<<<<<<<<<<<<
>From 20.1.1.101 icmp_seq=27 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=28 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=29 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=30 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=31 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=32 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=33 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=34 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=35 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=36 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=37 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=38 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=39 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=40 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=41 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=42 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=43 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=44 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=45 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=46 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=47 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=48 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=49 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=50 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=51 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=52 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=53 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=54 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=55 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=56 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=57 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=58 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=59 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=60 Destination Host Unreachable
64 bytes from 20.1.1.100: icmp_seq=64 ttl=64 time=0.117 ms
>From 20.1.1.101 icmp_seq=61 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=62 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=63 Destination Host Unreachable
64 bytes from 20.1.1.100: icmp_seq=65 ttl=64 time=0.097 ms
64 bytes from 20.1.1.100: icmp_seq=66 ttl=64 time=0.060 ms
64 bytes from 20.1.1.100: icmp_seq=67 ttl=64 time=0.083 ms
64 bytes from 20.1.1.100: icmp_seq=68 ttl=64 time=0.059 ms
64 bytes from 20.1.1.100: icmp_seq=69 ttl=64 time=0.173 ms
64 bytes from 20.1.1.100: icmp_seq=70 ttl=64 time=0.072 ms
64 bytes from 20.1.1.100: icmp_seq=71 ttl=64 time=0.067 ms
64 bytes from 20.1.1.100: icmp_seq=72 ttl=64 time=0.075 ms
64 bytes from 20.1.1.100: icmp_seq=73 ttl=64 time=0.051 ms
64 bytes from 20.1.1.100: icmp_seq=74 ttl=64 time=0.078 ms
64 bytes from 20.1.1.100: icmp_seq=75 ttl=64 time=0.106 ms
64 bytes from 20.1.1.100: icmp_seq=76 ttl=64 time=0.100 ms
64 bytes from 20.1.1.100: icmp_seq=77 ttl=64 time=0.205 ms
64 bytes from 20.1.1.100: icmp_seq=78 ttl=64 time=0.116 ms
64 bytes from 20.1.1.100: icmp_seq=79 ttl=64 time=0.110 ms
64 bytes from 20.1.1.100: icmp_seq=80 ttl=64 time=0.072 ms
64 bytes from 20.1.1.100: icmp_seq=81 ttl=64 time=0.068 ms
64 bytes from 20.1.1.100: icmp_seq=82 ttl=64 time=0.091 ms
64 bytes from 20.1.1.100: icmp_seq=83 ttl=64 time=0.092 ms
64 bytes from 20.1.1.100: icmp_seq=84 ttl=64 time=0.082 ms
64 bytes from 20.1.1.100: icmp_seq=85 ttl=64 time=0.056 ms
64 bytes from 20.1.1.100: icmp_seq=86 ttl=64 time=0.063 ms
64 bytes from 20.1.1.100: icmp_seq=87 ttl=64 time=0.118 ms
64 bytes from 20.1.1.100: icmp_seq=88 ttl=64 time=0.104 ms
64 bytes from 20.1.1.100: icmp_seq=89 ttl=64 time=0.074 ms
64 bytes from 20.1.1.100: icmp_seq=90 ttl=64 time=0.143 ms
64 bytes from 20.1.1.100: icmp_seq=91 ttl=64 time=0.049 ms
64 bytes from 20.1.1.100: icmp_seq=92 ttl=64 time=0.072 ms
64 bytes from 20.1.1.100: icmp_seq=93 ttl=64 time=0.076 ms
>From 20.1.1.101 icmp_seq=94 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=95 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=96 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=97 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=98 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=99 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=100 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=101 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=102 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=103 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=104 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=105 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=106 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=107 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=108 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=109 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=110 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=111 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=112 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=113 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=114 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=115 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=116 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=117 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=118 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=119 Destination Host Unreachable
64 bytes from 20.1.1.100: icmp_seq=123 ttl=64 time=0.079 ms
>From 20.1.1.101 icmp_seq=120 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=121 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=122 Destination Host Unreachable
64 bytes from 20.1.1.100: icmp_seq=124 ttl=64 time=0.066 ms
64 bytes from 20.1.1.100: icmp_seq=125 ttl=64 time=0.050 ms
64 bytes from 20.1.1.100: icmp_seq=126 ttl=64 time=0.039 ms
64 bytes from 20.1.1.100: icmp_seq=127 ttl=64 time=0.088 ms
64 bytes from 20.1.1.100: icmp_seq=128 ttl=64 time=0.082 ms
64 bytes from 20.1.1.100: icmp_seq=129 ttl=64 time=0.079 ms
64 bytes from 20.1.1.100: icmp_seq=130 ttl=64 time=0.104 ms
64 bytes from 20.1.1.100: icmp_seq=131 ttl=64 time=0.069 ms
64 bytes from 20.1.1.100: icmp_seq=132 ttl=64 time=0.101 ms
64 bytes from 20.1.1.100: icmp_seq=133 ttl=64 time=0.088 ms
>From 20.1.1.101 icmp_seq=134 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=135 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=136 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=137 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=138 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=139 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=140 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=141 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=142 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=143 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=144 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=145 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=146 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=147 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=148 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=149 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=150 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=151 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=152 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=153 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=154 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=155 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=156 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=157 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=158 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=159 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=160 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=161 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=162 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=163 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=164 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=165 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=166 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=167 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=168 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=169 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=170 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=171 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=172 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=173 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=174 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=175 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=176 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=177 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=178 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=179 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=180 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=181 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=182 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=183 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=184 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=185 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=186 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=187 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=188 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=189 Destination Host Unreachable
^C
--- 20.1.1.100 ping statistics ---
189 packets transmitted, 61 received, +128 errors, 67% packet loss, time 188402ms
rtt min/avg/max/mdev = 0.039/0.085/0.205/0.030 ms, pipe 4
[root@nsj4 ~]#
[root@nsj4 ~]#
[root@nsj4 ~]#
[root@nsj4 ~]#
[root@nsj4 ~]#  sar -P ALL 60 1
Linux 3.10.0-229.11.1.el7.x86_64 (nsj4)         08/28/2015      _x86_64_        (80 CPU)

03:42:48 AM     CPU     %user     %nice   %system   %iowait    %steal     %idle
03:43:48 AM     all      3.09      0.00     75.23      0.00      0.00     21.68
03:43:48 AM       0      2.24      0.00     84.93      0.00      0.00     12.83
03:43:48 AM       1      2.48      0.00     81.40      0.00      0.00     16.12
03:43:48 AM       2      2.36      0.00     77.36      0.00      0.00     20.28
03:43:48 AM       3      2.43      0.00     79.85      0.00      0.00     17.72
03:43:48 AM       4      2.26      0.00     76.10      0.00      0.00     21.64
03:43:48 AM       5      2.60      0.00     76.77      0.00      0.00     20.62
03:43:48 AM       6      2.77      0.00     78.80      0.00      0.00     18.43
03:43:48 AM       7      2.48      0.00     75.81      0.00      0.00     21.71
03:43:48 AM       8      2.49      0.00     78.44      0.00      0.00     19.07
03:43:48 AM       9      3.25      0.00     76.81      0.00      0.00     19.94
03:43:48 AM      10      2.80      0.00     79.90      0.00      0.00     17.30
03:43:48 AM      11      2.41      0.00     77.32      0.00      0.00     20.28
03:43:48 AM      12      2.17      0.00     75.10      0.00      0.00     22.73
03:43:48 AM      13      2.92      0.00     77.01      0.00      0.00     20.06
03:43:48 AM      14      2.41      0.00     76.10      0.00      0.00     21.48
03:43:48 AM      15      2.08      0.00     73.94      0.00      0.00     23.98
03:43:48 AM      16      2.29      0.00     74.58      0.00      0.00     23.14
03:43:48 AM      17      2.72      0.00     76.94      0.00      0.00     20.34
03:43:48 AM      18      2.38      0.00     75.70      0.00      0.00     21.92
03:43:48 AM      19      2.37      0.00     76.11      0.00      0.00     21.53
03:43:48 AM      20      1.86      0.00     78.34      0.00      0.00     19.79
03:43:48 AM      21      1.76      0.00     77.52      0.00      0.00     20.72
03:43:48 AM      22      1.76      0.00     77.80      0.00      0.00     20.44
03:43:48 AM      23      1.84      0.00     75.49      0.00      0.00     22.67
03:43:48 AM      24      1.59      0.00     74.62      0.00      0.00     23.79
03:43:48 AM      25      1.88      0.00     74.26      0.00      0.00     23.86
03:43:48 AM      26      1.79      0.00     73.82      0.00      0.00     24.38
03:43:48 AM      27      1.58      0.00     76.51      0.00      0.00     21.92
03:43:48 AM      28      1.79      0.00     77.89      0.00      0.00     20.32
03:43:48 AM      29      1.89      0.00     78.22      0.00      0.00     19.88
03:43:48 AM      30      3.04      0.00     76.31      0.00      0.00     20.65
03:43:48 AM      31      3.35      0.00     77.76      0.00      0.00     18.89
03:43:48 AM      32      3.07      0.00     74.56      0.00      0.00     22.37
03:43:48 AM      33      3.15      0.00     74.31      0.00      0.00     22.53
03:43:48 AM      34      2.90      0.00     74.33      0.00      0.00     22.77
03:43:48 AM      35      3.09      0.00     75.38      0.00      0.00     21.53
03:43:48 AM      36      2.90      0.00     75.25      0.02      0.00     21.84
03:43:48 AM      37      2.92      0.00     74.80      0.00      0.00     22.28
03:43:48 AM      38      3.24      0.00     74.99      0.00      0.00     21.77
03:43:48 AM      39      3.11      0.00     75.46      0.00      0.00     21.43
03:43:48 AM      40      3.30      0.00     72.86      0.00      0.00     23.83
03:43:48 AM      41      3.25      0.00     71.73      0.00      0.00     25.01
03:43:48 AM      42      3.51      0.00     73.49      0.00      0.00     23.00
03:43:48 AM      43      3.25      0.00     73.79      0.00      0.00     22.96
03:43:48 AM      44      2.97      0.00     73.59      0.00      0.00     23.44
03:43:48 AM      45      3.14      0.00     74.78      0.00      0.00     22.08
03:43:48 AM      46      3.58      0.00     68.07      0.00      0.00     28.36
03:43:48 AM      47      3.46      0.00     71.68      0.00      0.00     24.86
03:43:48 AM      48      3.28      0.00     73.14      0.00      0.00     23.58
03:43:48 AM      49      3.71      0.00     69.21      0.00      0.00     27.08
03:43:48 AM      50      3.12      0.00     71.34      0.00      0.00     25.54
03:43:48 AM      51      3.01      0.00     76.15      0.00      0.00     20.84
03:43:48 AM      52     27.12      0.00     59.04      0.00      0.00     13.84
03:43:48 AM      53      3.18      0.00     76.32      0.00      0.00     20.50
03:43:48 AM      54      3.04      0.00     72.01      0.00      0.00     24.95
03:43:48 AM      55      2.95      0.00     74.96      0.00      0.00     22.09
03:43:48 AM      56      3.11      0.00     76.32      0.00      0.00     20.56
03:43:48 AM      57      2.92      0.00     72.79      0.00      0.00     24.29
03:43:48 AM      58      3.13      0.00     75.64      0.00      0.00     21.23
03:43:48 AM      59      3.08      0.00     74.22      0.00      0.00     22.69
03:43:48 AM      60      2.27      0.00     76.90      0.00      0.00     20.82
03:43:48 AM      61      2.26      0.00     73.16      0.00      0.00     24.58
03:43:48 AM      62      2.41      0.00     80.87      0.00      0.00     16.72
03:43:48 AM      63      2.41      0.00     76.70      0.00      0.00     20.89
03:43:48 AM      64      2.76      0.00     77.53      0.00      0.00     19.71
03:43:48 AM      65      2.34      0.00     77.57      0.00      0.00     20.08
03:43:48 AM      66      2.41      0.00     77.48      0.00      0.00     20.11
03:43:48 AM      67      2.32      0.00     78.66      0.00      0.00     19.02
03:43:48 AM      68      2.22      0.00     72.75      0.00      0.00     25.03
03:43:48 AM      69      2.21      0.00     72.78      0.00      0.00     25.01
03:43:48 AM      70      3.43      0.00     71.67      0.00      0.00     24.91
03:43:48 AM      71      3.70      0.00     75.48      0.00      0.00     20.82
03:43:48 AM      72      3.92      0.00     74.17      0.00      0.00     21.91
03:43:48 AM      73      4.00      0.00     74.42      0.00      0.00     21.58
03:43:48 AM      74      3.85      0.00     75.61      0.00      0.00     20.54
03:43:48 AM      75      3.80      0.00     76.05      0.00      0.00     20.14
03:43:48 AM      76      3.35      0.00     75.91      0.00      0.00     20.74
03:43:48 AM      77      3.41      0.00     74.09      0.00      0.00     22.49
03:43:48 AM      78      3.47      0.00     71.43      0.00      0.00     25.10
03:43:48 AM      79      3.57      0.00     68.43      0.00      0.00     27.99

Average:        CPU     %user     %nice   %system   %iowait    %steal     %idle
Average:        all      3.09      0.00     75.23      0.00      0.00     21.68
Average:          0      2.24      0.00     84.93      0.00      0.00     12.83
Average:          1      2.48      0.00     81.40      0.00      0.00     16.12
Average:          2      2.36      0.00     77.36      0.00      0.00     20.28
Average:          3      2.43      0.00     79.85      0.00      0.00     17.72
Average:          4      2.26      0.00     76.10      0.00      0.00     21.64
Average:          5      2.60      0.00     76.77      0.00      0.00     20.62
Average:          6      2.77      0.00     78.80      0.00      0.00     18.43
Average:          7      2.48      0.00     75.81      0.00      0.00     21.71
Average:          8      2.49      0.00     78.44      0.00      0.00     19.07
Average:          9      3.25      0.00     76.81      0.00      0.00     19.94
Average:         10      2.80      0.00     79.90      0.00      0.00     17.30
Average:         11      2.41      0.00     77.32      0.00      0.00     20.28
Average:         12      2.17      0.00     75.10      0.00      0.00     22.73
Average:         13      2.92      0.00     77.01      0.00      0.00     20.06
Average:         14      2.41      0.00     76.10      0.00      0.00     21.48
Average:         15      2.08      0.00     73.94      0.00      0.00     23.98
Average:         16      2.29      0.00     74.58      0.00      0.00     23.14
Average:         17      2.72      0.00     76.94      0.00      0.00     20.34
Average:         18      2.38      0.00     75.70      0.00      0.00     21.92
Average:         19      2.37      0.00     76.11      0.00      0.00     21.53
Average:         20      1.86      0.00     78.34      0.00      0.00     19.79
Average:         21      1.76      0.00     77.52      0.00      0.00     20.72
Average:         22      1.76      0.00     77.80      0.00      0.00     20.44
Average:         23      1.84      0.00     75.49      0.00      0.00     22.67
Average:         24      1.59      0.00     74.62      0.00      0.00     23.79
Average:         25      1.88      0.00     74.26      0.00      0.00     23.86
Average:         26      1.79      0.00     73.82      0.00      0.00     24.38
Average:         27      1.58      0.00     76.51      0.00      0.00     21.92
Average:         28      1.79      0.00     77.89      0.00      0.00     20.32
Average:         29      1.89      0.00     78.22      0.00      0.00     19.88
Average:         30      3.04      0.00     76.31      0.00      0.00     20.65
Average:         31      3.35      0.00     77.76      0.00      0.00     18.89
Average:         32      3.07      0.00     74.56      0.00      0.00     22.37
Average:         33      3.15      0.00     74.31      0.00      0.00     22.53
Average:         34      2.90      0.00     74.33      0.00      0.00     22.77
Average:         35      3.09      0.00     75.38      0.00      0.00     21.53
Average:         36      2.90      0.00     75.25      0.02      0.00     21.84
Average:         37      2.92      0.00     74.80      0.00      0.00     22.28
Average:         38      3.24      0.00     74.99      0.00      0.00     21.77
Average:         39      3.11      0.00     75.46      0.00      0.00     21.43
Average:         40      3.30      0.00     72.86      0.00      0.00     23.83
Average:         41      3.25      0.00     71.73      0.00      0.00     25.01
Average:         42      3.51      0.00     73.49      0.00      0.00     23.00
Average:         43      3.25      0.00     73.79      0.00      0.00     22.96
Average:         44      2.97      0.00     73.59      0.00      0.00     23.44
Average:         45      3.14      0.00     74.78      0.00      0.00     22.08
Average:         46      3.58      0.00     68.07      0.00      0.00     28.36
Average:         47      3.46      0.00     71.68      0.00      0.00     24.86
Average:         48      3.28      0.00     73.14      0.00      0.00     23.58
Average:         49      3.71      0.00     69.21      0.00      0.00     27.08
Average:         50      3.12      0.00     71.34      0.00      0.00     25.54
Average:         51      3.01      0.00     76.15      0.00      0.00     20.84
Average:         52     27.12      0.00     59.04      0.00      0.00     13.84
Average:         53      3.18      0.00     76.32      0.00      0.00     20.50
Average:         54      3.04      0.00     72.01      0.00      0.00     24.95
Average:         55      2.95      0.00     74.96      0.00      0.00     22.09
Average:         56      3.11      0.00     76.32      0.00      0.00     20.56
Average:         57      2.92      0.00     72.79      0.00      0.00     24.29
Average:         58      3.13      0.00     75.64      0.00      0.00     21.23
Average:         59      3.08      0.00     74.22      0.00      0.00     22.69
Average:         60      2.27      0.00     76.90      0.00      0.00     20.82
Average:         61      2.26      0.00     73.16      0.00      0.00     24.58
Average:         62      2.41      0.00     80.87      0.00      0.00     16.72
Average:         63      2.41      0.00     76.70      0.00      0.00     20.89
Average:         64      2.76      0.00     77.53      0.00      0.00     19.71
Average:         65      2.34      0.00     77.57      0.00      0.00     20.08
Average:         66      2.41      0.00     77.48      0.00      0.00     20.11
Average:         67      2.32      0.00     78.66      0.00      0.00     19.02
Average:         68      2.22      0.00     72.75      0.00      0.00     25.03
Average:         69      2.21      0.00     72.78      0.00      0.00     25.01
Average:         70      3.43      0.00     71.67      0.00      0.00     24.91
Average:         71      3.70      0.00     75.48      0.00      0.00     20.82
Average:         72      3.92      0.00     74.17      0.00      0.00     21.91
Average:         73      4.00      0.00     74.42      0.00      0.00     21.58
Average:         74      3.85      0.00     75.61      0.00      0.00     20.54
Average:         75      3.80      0.00     76.05      0.00      0.00     20.14
Average:         76      3.35      0.00     75.91      0.00      0.00     20.74
Average:         77      3.41      0.00     74.09      0.00      0.00     22.49
Average:         78      3.47      0.00     71.43      0.00      0.00     25.10
Average:         79      3.57      0.00     68.43      0.00      0.00     27.99
[root@nsj4 ~]#
[root@nsj4 ~]#
[root@nsj4 ~]# ip netns exec qlbaas-ade3e627-5fda-4781-855e-25a0f5217d17 ping 20.1.1.100
PING 20.1.1.100 (20.1.1.100) 56(84) bytes of data.
>From 20.1.1.101 icmp_seq=1 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=2 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=3 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=4 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=5 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=6 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=7 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=8 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=9 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=10 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=11 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=12 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=13 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=14 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=15 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=16 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=17 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=18 Destination Host Unreachable
>From 20.1.1.101 icmp_seq=19 Destination Host Unreachable
^C
--- 20.1.1.100 ping statistics ---
20 packets transmitted, 0 received, +19 errors, 100% packet loss, time 19044ms
pipe 4
[root@nsj4 ~]# ^C
[root@nsj4 ~]# top
top - 03:44:38 up 10:20,  2 users,  load average: 106.37, 107.24, 107.97
Tasks: 2897 total,  68 running, 2611 sleeping,   0 stopped, 218 zombie
%Cpu(s):  1.5 us, 21.7 sy,  0.0 ni, 76.8 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
KiB Mem : 26396150+total, 24796382+free, 11314276 used,  4683396 buff/cache
KiB Swap:  1048572 total,  1048572 free,        0 used. 24887622+avail Mem

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND                                                                                                      
 7009 neutron   20   0  317952  72268   4444 R  92.9  0.0 148:13.18 neutron-openvsw                                                                                              
  536 root      rt   0       0      0      0 S  85.0  0.0   4:57.94 migration/73                                                                                                  
 1025 root      20   0  134048  61472  59008 R  70.7  0.0  80:33.70 systemd-journal                                                                                              
39205 root      20   0  118948   1000    776 R  50.7  0.0   0:00.71 killall                                                                                                      
39216 root      20   0  118948   1000    776 R  45.7  0.0   0:00.64 killall                                                                                                      
  556 root      rt   0       0      0      0 S  45.0  0.0   5:43.53 migration/77                                                                                                  
38994 root      20   0  132928   4704   1220 R  45.0  0.0   0:01.46 top                                                                                                          
  183 root      rt   0       0      0      0 S  42.1  0.0   5:29.76 migration/3                                                                                                  
39219 root      20   0  118948   1004    776 R  42.1  0.0   0:00.59 killall                                                                                                      
39236 root      20   0  118948   1000    776 R  37.9  0.0   0:00.53 killall                                                                                                      
  486 root      rt   0       0      0      0 S  37.1  0.0   7:06.88 migration/63                                                                                                  
  471 root      rt   0       0      0      0 S  35.7  0.0   6:16.86 migration/60                                                                                                  
39280 root      20   0  118948   1000    776 R  32.9  0.0   0:00.46 killall                                                                                                      
39277 root      20   0  118948   1000    776 R  30.0  0.0   0:00.42 killall                                                                                                      
39304 root      20   0  118948   1000    776 R  30.0  0.0   0:00.42 killall                                                                                                      
39286 root      20   0  118948   1000    776 R  29.3  0.0   0:00.41 killall                                                                                                      
39325 root      20   0  118948   1020    776 R  29.3  0.0   0:00.41 killall                                                                                                      
39303 root      20   0  118948   1004    776 R  27.9  0.0   0:00.39 killall                                                                                                      
39260 root      20   0  118952   1032    776 R  27.1  0.0   0:00.38 killall                                                                                                      
39262 root      20   0  118948    996    776 R  27.1  0.0   0:00.38 killall                                                                                                      
39328 root      20   0  118948    996    776 R  26.4  0.0   0:00.37 killall                                                                                                      
39278 root      20   0  118948   1004    776 R  25.7  0.0   0:00.36 killall                                                                                                      
39290 root      20   0  118948   1004    776 R  25.7  0.0   0:00.36 killall                                                                                                      
39349 root      20   0  118948   1004    776 R  25.7  0.0   0:00.36 killall                                                                                                      
39353 root      20   0  118948   1000    776 R  25.7  0.0   0:00.36 killall                                                                                                      
39293 root      20   0  118948   1004    776 R  25.0  0.0   0:00.35 killall                                                                                                      
39300 root      20   0  118948    996    776 R  25.0  0.0   0:00.35 killall                                                                                                      
39314 root      20   0  118948   1004    776 R  25.0  0.0   0:00.35 killall                                                                                                      
39316 root      20   0  118948   1000    776 R  25.0  0.0   0:00.35 killall                                                                                                      
39323 root      20   0  118948   1000    776 R  25.0  0.0   0:00.35 killall                                                                                                      
39345 root      20   0  118948   1000    776 R  23.6  0.0   0:00.33 killall                                                                                                      
39370 root      20   0  118948   1020    776 R  23.6  0.0   0:00.33 killall                                                                                                      
39354 root      20   0  118948   1000    776 R  22.9  0.0   0:00.32 killall                                                                                                      
39335 root      20   0  118948   1000    776 R  22.1  0.0   0:00.31 killall                                                                                                      
39320 root      20   0  118948   1000    776 R  21.4  0.0   0:00.30 killall                                                                                                      
39356 root      20   0  118952   1012    776 R  21.4  0.0   0:00.30 killall                                                                                                      
39362 root      20   0  118948   1000    776 R  21.4  0.0   0:00.30 killall                                                                                                      
39361 root      20   0  118948   1000    776 R  20.7  0.0   0:00.29 killall                                                                                                      
39368 root      20   0  118948   1000    776 R  20.0  0.0   0:00.28 killall                                                                                                      
39374 root      20   0  118952   1012    776 R  20.0  0.0   0:00.28 killall                                                                                                      
39380 root      20   0  118948   1000    776 R  19.3  0.0   0:00.27 killall                                                                                                      
39382 root      20   0  118952   1016    776 R  18.6  0.0   0:00.26 killall                                                                                                      
39390 root      20   0  118948    996    776 R  17.1  0.0   0:00.24 killall                                                                                                      
39396 root      20   0  118948   1000    776 R  17.1  0.0   0:00.24 killall                                                                                                      
39398 root      20   0  118948   1000    776 R  16.4  0.0   0:00.23 killall                                                                                                      
39404 root      20   0  118948   1000    776 R  16.4  0.0   0:00.23 killall                                                                                                      
39407 root      20   0  118948    996    776 R  16.4  0.0   0:00.23 killall                                                                                                      
39394 root      20   0  118948    996    776 R  15.7  0.0   0:00.22 killall                                                                                                      
28742 root      20   0       0      0      0 S  13.6  0.0   4:07.63 kworker/8:0                                                                                                  
67592 root      20   0       0      0      0 R  13.6  0.0   4:53.96 kworker/49:2                                                                                                  
12851 root      20   0       0      0      0 S  10.7  0.0  14:01.48 kworker/16:0                                                                                                  
25321 root      20   0       0      0      0 S  10.7  0.0   4:20.20 kworker/58:2                                                                                                  
35314 root      20   0       0      0      0 S  10.7  0.0   8:05.81 kworker/69:1                                                                                                  
67884 root      20   0       0      0      0 S  10.0  0.0   7:03.74 kworker/64:2                                                                                                  
39418 root      20   0  118948    996    776 R   9.3  0.0   0:00.13 killall                                                                                                      
39422 root      20   0  118948    992    776 R   9.3  0.0   0:00.13 killall                                                                                                      
39426 root      20   0  118948   1000    776 R   9.3  0.0   0:00.13 killall                                                                                                      
39428 root      20   0  118948    996    776 R   9.3  0.0   0:00.13 killall                                                                                                      
  451 root      rt   0       0      0      0 S   8.6  0.0   5:35.46 migration/56                                                                                                  
26106 root      20   0       0      0      0 S   8.6  0.0   9:16.24 kworker/65:2                                                                                                  
[root@nsj4 ~]# free
              total        used        free      shared  buff/cache   available

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1498502

Title:
  LB_NFV[Alchemy]after create 301 LB pool , the lb network unstable

Status in neutron:
  New

Bug description:
  
  1 create two-arm LB with 1client and 1 backend server on a tenant
  2 repeat step1 to create 350 tenants
  3 after step 2 , the LB network unstable

  log and cpu infor
  [root@nsj4 ~]# ip netns exec qlbaas-ade3e627-5fda-4781-855e-25a0f5217d17 ping 20.1.1.100
  PING 20.1.1.100 (20.1.1.100) 56(84) bytes of data.
  From 20.1.1.101 icmp_seq=1 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=2 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=3 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=4 Destination Host Unreachable<<<<<<<<<<<<<<<<
  64 bytes from 20.1.1.100: icmp_seq=6 ttl=64 time=0.100 ms
  64 bytes from 20.1.1.100: icmp_seq=7 ttl=64 time=0.067 ms
  64 bytes from 20.1.1.100: icmp_seq=8 ttl=64 time=0.081 ms
  From 20.1.1.101 icmp_seq=5 Destination Host Unreachable
  64 bytes from 20.1.1.100: icmp_seq=9 ttl=64 time=0.054 ms
  64 bytes from 20.1.1.100: icmp_seq=10 ttl=64 time=0.050 ms
  64 bytes from 20.1.1.100: icmp_seq=11 ttl=64 time=0.087 ms
  64 bytes from 20.1.1.100: icmp_seq=12 ttl=64 time=0.065 ms
  64 bytes from 20.1.1.100: icmp_seq=13 ttl=64 time=0.079 ms
  64 bytes from 20.1.1.100: icmp_seq=14 ttl=64 time=0.073 ms
  64 bytes from 20.1.1.100: icmp_seq=15 ttl=64 time=0.062 ms
  64 bytes from 20.1.1.100: icmp_seq=16 ttl=64 time=0.070 ms
  64 bytes from 20.1.1.100: icmp_seq=17 ttl=64 time=0.058 ms
  64 bytes from 20.1.1.100: icmp_seq=18 ttl=64 time=0.146 ms
  64 bytes from 20.1.1.100: icmp_seq=19 ttl=64 time=0.060 ms
  64 bytes from 20.1.1.100: icmp_seq=20 ttl=64 time=0.097 ms
  64 bytes from 20.1.1.100: icmp_seq=21 ttl=64 time=0.114 ms
  64 bytes from 20.1.1.100: icmp_seq=22 ttl=64 time=0.091 ms
  64 bytes from 20.1.1.100: icmp_seq=23 ttl=64 time=0.122 ms
  64 bytes from 20.1.1.100: icmp_seq=24 ttl=64 time=0.074 ms
  64 bytes from 20.1.1.100: icmp_seq=25 ttl=64 time=0.091 ms
  From 20.1.1.101 icmp_seq=26 Destination Host Unreachable<<<<<<<<<<<<<<<<<<
  From 20.1.1.101 icmp_seq=27 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=28 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=29 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=30 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=31 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=32 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=33 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=34 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=35 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=36 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=37 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=38 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=39 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=40 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=41 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=42 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=43 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=44 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=45 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=46 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=47 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=48 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=49 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=50 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=51 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=52 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=53 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=54 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=55 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=56 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=57 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=58 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=59 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=60 Destination Host Unreachable
  64 bytes from 20.1.1.100: icmp_seq=64 ttl=64 time=0.117 ms
  From 20.1.1.101 icmp_seq=61 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=62 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=63 Destination Host Unreachable
  64 bytes from 20.1.1.100: icmp_seq=65 ttl=64 time=0.097 ms
  64 bytes from 20.1.1.100: icmp_seq=66 ttl=64 time=0.060 ms
  64 bytes from 20.1.1.100: icmp_seq=67 ttl=64 time=0.083 ms
  64 bytes from 20.1.1.100: icmp_seq=68 ttl=64 time=0.059 ms
  64 bytes from 20.1.1.100: icmp_seq=69 ttl=64 time=0.173 ms
  64 bytes from 20.1.1.100: icmp_seq=70 ttl=64 time=0.072 ms
  64 bytes from 20.1.1.100: icmp_seq=71 ttl=64 time=0.067 ms
  64 bytes from 20.1.1.100: icmp_seq=72 ttl=64 time=0.075 ms
  64 bytes from 20.1.1.100: icmp_seq=73 ttl=64 time=0.051 ms
  64 bytes from 20.1.1.100: icmp_seq=74 ttl=64 time=0.078 ms
  64 bytes from 20.1.1.100: icmp_seq=75 ttl=64 time=0.106 ms
  64 bytes from 20.1.1.100: icmp_seq=76 ttl=64 time=0.100 ms
  64 bytes from 20.1.1.100: icmp_seq=77 ttl=64 time=0.205 ms
  64 bytes from 20.1.1.100: icmp_seq=78 ttl=64 time=0.116 ms
  64 bytes from 20.1.1.100: icmp_seq=79 ttl=64 time=0.110 ms
  64 bytes from 20.1.1.100: icmp_seq=80 ttl=64 time=0.072 ms
  64 bytes from 20.1.1.100: icmp_seq=81 ttl=64 time=0.068 ms
  64 bytes from 20.1.1.100: icmp_seq=82 ttl=64 time=0.091 ms
  64 bytes from 20.1.1.100: icmp_seq=83 ttl=64 time=0.092 ms
  64 bytes from 20.1.1.100: icmp_seq=84 ttl=64 time=0.082 ms
  64 bytes from 20.1.1.100: icmp_seq=85 ttl=64 time=0.056 ms
  64 bytes from 20.1.1.100: icmp_seq=86 ttl=64 time=0.063 ms
  64 bytes from 20.1.1.100: icmp_seq=87 ttl=64 time=0.118 ms
  64 bytes from 20.1.1.100: icmp_seq=88 ttl=64 time=0.104 ms
  64 bytes from 20.1.1.100: icmp_seq=89 ttl=64 time=0.074 ms
  64 bytes from 20.1.1.100: icmp_seq=90 ttl=64 time=0.143 ms
  64 bytes from 20.1.1.100: icmp_seq=91 ttl=64 time=0.049 ms
  64 bytes from 20.1.1.100: icmp_seq=92 ttl=64 time=0.072 ms
  64 bytes from 20.1.1.100: icmp_seq=93 ttl=64 time=0.076 ms
  From 20.1.1.101 icmp_seq=94 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=95 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=96 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=97 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=98 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=99 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=100 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=101 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=102 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=103 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=104 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=105 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=106 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=107 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=108 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=109 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=110 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=111 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=112 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=113 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=114 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=115 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=116 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=117 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=118 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=119 Destination Host Unreachable
  64 bytes from 20.1.1.100: icmp_seq=123 ttl=64 time=0.079 ms
  From 20.1.1.101 icmp_seq=120 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=121 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=122 Destination Host Unreachable
  64 bytes from 20.1.1.100: icmp_seq=124 ttl=64 time=0.066 ms
  64 bytes from 20.1.1.100: icmp_seq=125 ttl=64 time=0.050 ms
  64 bytes from 20.1.1.100: icmp_seq=126 ttl=64 time=0.039 ms
  64 bytes from 20.1.1.100: icmp_seq=127 ttl=64 time=0.088 ms
  64 bytes from 20.1.1.100: icmp_seq=128 ttl=64 time=0.082 ms
  64 bytes from 20.1.1.100: icmp_seq=129 ttl=64 time=0.079 ms
  64 bytes from 20.1.1.100: icmp_seq=130 ttl=64 time=0.104 ms
  64 bytes from 20.1.1.100: icmp_seq=131 ttl=64 time=0.069 ms
  64 bytes from 20.1.1.100: icmp_seq=132 ttl=64 time=0.101 ms
  64 bytes from 20.1.1.100: icmp_seq=133 ttl=64 time=0.088 ms
  From 20.1.1.101 icmp_seq=134 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=135 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=136 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=137 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=138 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=139 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=140 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=141 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=142 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=143 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=144 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=145 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=146 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=147 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=148 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=149 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=150 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=151 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=152 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=153 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=154 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=155 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=156 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=157 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=158 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=159 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=160 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=161 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=162 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=163 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=164 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=165 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=166 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=167 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=168 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=169 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=170 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=171 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=172 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=173 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=174 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=175 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=176 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=177 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=178 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=179 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=180 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=181 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=182 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=183 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=184 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=185 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=186 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=187 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=188 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=189 Destination Host Unreachable
  ^C
  --- 20.1.1.100 ping statistics ---
  189 packets transmitted, 61 received, +128 errors, 67% packet loss, time 188402ms
  rtt min/avg/max/mdev = 0.039/0.085/0.205/0.030 ms, pipe 4
  [root@nsj4 ~]#
  [root@nsj4 ~]#
  [root@nsj4 ~]#
  [root@nsj4 ~]#
  [root@nsj4 ~]#  sar -P ALL 60 1
  Linux 3.10.0-229.11.1.el7.x86_64 (nsj4)         08/28/2015      _x86_64_        (80 CPU)

  03:42:48 AM     CPU     %user     %nice   %system   %iowait    %steal     %idle
  03:43:48 AM     all      3.09      0.00     75.23      0.00      0.00     21.68
  03:43:48 AM       0      2.24      0.00     84.93      0.00      0.00     12.83
  03:43:48 AM       1      2.48      0.00     81.40      0.00      0.00     16.12
  03:43:48 AM       2      2.36      0.00     77.36      0.00      0.00     20.28
  03:43:48 AM       3      2.43      0.00     79.85      0.00      0.00     17.72
  03:43:48 AM       4      2.26      0.00     76.10      0.00      0.00     21.64
  03:43:48 AM       5      2.60      0.00     76.77      0.00      0.00     20.62
  03:43:48 AM       6      2.77      0.00     78.80      0.00      0.00     18.43
  03:43:48 AM       7      2.48      0.00     75.81      0.00      0.00     21.71
  03:43:48 AM       8      2.49      0.00     78.44      0.00      0.00     19.07
  03:43:48 AM       9      3.25      0.00     76.81      0.00      0.00     19.94
  03:43:48 AM      10      2.80      0.00     79.90      0.00      0.00     17.30
  03:43:48 AM      11      2.41      0.00     77.32      0.00      0.00     20.28
  03:43:48 AM      12      2.17      0.00     75.10      0.00      0.00     22.73
  03:43:48 AM      13      2.92      0.00     77.01      0.00      0.00     20.06
  03:43:48 AM      14      2.41      0.00     76.10      0.00      0.00     21.48
  03:43:48 AM      15      2.08      0.00     73.94      0.00      0.00     23.98
  03:43:48 AM      16      2.29      0.00     74.58      0.00      0.00     23.14
  03:43:48 AM      17      2.72      0.00     76.94      0.00      0.00     20.34
  03:43:48 AM      18      2.38      0.00     75.70      0.00      0.00     21.92
  03:43:48 AM      19      2.37      0.00     76.11      0.00      0.00     21.53
  03:43:48 AM      20      1.86      0.00     78.34      0.00      0.00     19.79
  03:43:48 AM      21      1.76      0.00     77.52      0.00      0.00     20.72
  03:43:48 AM      22      1.76      0.00     77.80      0.00      0.00     20.44
  03:43:48 AM      23      1.84      0.00     75.49      0.00      0.00     22.67
  03:43:48 AM      24      1.59      0.00     74.62      0.00      0.00     23.79
  03:43:48 AM      25      1.88      0.00     74.26      0.00      0.00     23.86
  03:43:48 AM      26      1.79      0.00     73.82      0.00      0.00     24.38
  03:43:48 AM      27      1.58      0.00     76.51      0.00      0.00     21.92
  03:43:48 AM      28      1.79      0.00     77.89      0.00      0.00     20.32
  03:43:48 AM      29      1.89      0.00     78.22      0.00      0.00     19.88
  03:43:48 AM      30      3.04      0.00     76.31      0.00      0.00     20.65
  03:43:48 AM      31      3.35      0.00     77.76      0.00      0.00     18.89
  03:43:48 AM      32      3.07      0.00     74.56      0.00      0.00     22.37
  03:43:48 AM      33      3.15      0.00     74.31      0.00      0.00     22.53
  03:43:48 AM      34      2.90      0.00     74.33      0.00      0.00     22.77
  03:43:48 AM      35      3.09      0.00     75.38      0.00      0.00     21.53
  03:43:48 AM      36      2.90      0.00     75.25      0.02      0.00     21.84
  03:43:48 AM      37      2.92      0.00     74.80      0.00      0.00     22.28
  03:43:48 AM      38      3.24      0.00     74.99      0.00      0.00     21.77
  03:43:48 AM      39      3.11      0.00     75.46      0.00      0.00     21.43
  03:43:48 AM      40      3.30      0.00     72.86      0.00      0.00     23.83
  03:43:48 AM      41      3.25      0.00     71.73      0.00      0.00     25.01
  03:43:48 AM      42      3.51      0.00     73.49      0.00      0.00     23.00
  03:43:48 AM      43      3.25      0.00     73.79      0.00      0.00     22.96
  03:43:48 AM      44      2.97      0.00     73.59      0.00      0.00     23.44
  03:43:48 AM      45      3.14      0.00     74.78      0.00      0.00     22.08
  03:43:48 AM      46      3.58      0.00     68.07      0.00      0.00     28.36
  03:43:48 AM      47      3.46      0.00     71.68      0.00      0.00     24.86
  03:43:48 AM      48      3.28      0.00     73.14      0.00      0.00     23.58
  03:43:48 AM      49      3.71      0.00     69.21      0.00      0.00     27.08
  03:43:48 AM      50      3.12      0.00     71.34      0.00      0.00     25.54
  03:43:48 AM      51      3.01      0.00     76.15      0.00      0.00     20.84
  03:43:48 AM      52     27.12      0.00     59.04      0.00      0.00     13.84
  03:43:48 AM      53      3.18      0.00     76.32      0.00      0.00     20.50
  03:43:48 AM      54      3.04      0.00     72.01      0.00      0.00     24.95
  03:43:48 AM      55      2.95      0.00     74.96      0.00      0.00     22.09
  03:43:48 AM      56      3.11      0.00     76.32      0.00      0.00     20.56
  03:43:48 AM      57      2.92      0.00     72.79      0.00      0.00     24.29
  03:43:48 AM      58      3.13      0.00     75.64      0.00      0.00     21.23
  03:43:48 AM      59      3.08      0.00     74.22      0.00      0.00     22.69
  03:43:48 AM      60      2.27      0.00     76.90      0.00      0.00     20.82
  03:43:48 AM      61      2.26      0.00     73.16      0.00      0.00     24.58
  03:43:48 AM      62      2.41      0.00     80.87      0.00      0.00     16.72
  03:43:48 AM      63      2.41      0.00     76.70      0.00      0.00     20.89
  03:43:48 AM      64      2.76      0.00     77.53      0.00      0.00     19.71
  03:43:48 AM      65      2.34      0.00     77.57      0.00      0.00     20.08
  03:43:48 AM      66      2.41      0.00     77.48      0.00      0.00     20.11
  03:43:48 AM      67      2.32      0.00     78.66      0.00      0.00     19.02
  03:43:48 AM      68      2.22      0.00     72.75      0.00      0.00     25.03
  03:43:48 AM      69      2.21      0.00     72.78      0.00      0.00     25.01
  03:43:48 AM      70      3.43      0.00     71.67      0.00      0.00     24.91
  03:43:48 AM      71      3.70      0.00     75.48      0.00      0.00     20.82
  03:43:48 AM      72      3.92      0.00     74.17      0.00      0.00     21.91
  03:43:48 AM      73      4.00      0.00     74.42      0.00      0.00     21.58
  03:43:48 AM      74      3.85      0.00     75.61      0.00      0.00     20.54
  03:43:48 AM      75      3.80      0.00     76.05      0.00      0.00     20.14
  03:43:48 AM      76      3.35      0.00     75.91      0.00      0.00     20.74
  03:43:48 AM      77      3.41      0.00     74.09      0.00      0.00     22.49
  03:43:48 AM      78      3.47      0.00     71.43      0.00      0.00     25.10
  03:43:48 AM      79      3.57      0.00     68.43      0.00      0.00     27.99

  Average:        CPU     %user     %nice   %system   %iowait    %steal     %idle
  Average:        all      3.09      0.00     75.23      0.00      0.00     21.68
  Average:          0      2.24      0.00     84.93      0.00      0.00     12.83
  Average:          1      2.48      0.00     81.40      0.00      0.00     16.12
  Average:          2      2.36      0.00     77.36      0.00      0.00     20.28
  Average:          3      2.43      0.00     79.85      0.00      0.00     17.72
  Average:          4      2.26      0.00     76.10      0.00      0.00     21.64
  Average:          5      2.60      0.00     76.77      0.00      0.00     20.62
  Average:          6      2.77      0.00     78.80      0.00      0.00     18.43
  Average:          7      2.48      0.00     75.81      0.00      0.00     21.71
  Average:          8      2.49      0.00     78.44      0.00      0.00     19.07
  Average:          9      3.25      0.00     76.81      0.00      0.00     19.94
  Average:         10      2.80      0.00     79.90      0.00      0.00     17.30
  Average:         11      2.41      0.00     77.32      0.00      0.00     20.28
  Average:         12      2.17      0.00     75.10      0.00      0.00     22.73
  Average:         13      2.92      0.00     77.01      0.00      0.00     20.06
  Average:         14      2.41      0.00     76.10      0.00      0.00     21.48
  Average:         15      2.08      0.00     73.94      0.00      0.00     23.98
  Average:         16      2.29      0.00     74.58      0.00      0.00     23.14
  Average:         17      2.72      0.00     76.94      0.00      0.00     20.34
  Average:         18      2.38      0.00     75.70      0.00      0.00     21.92
  Average:         19      2.37      0.00     76.11      0.00      0.00     21.53
  Average:         20      1.86      0.00     78.34      0.00      0.00     19.79
  Average:         21      1.76      0.00     77.52      0.00      0.00     20.72
  Average:         22      1.76      0.00     77.80      0.00      0.00     20.44
  Average:         23      1.84      0.00     75.49      0.00      0.00     22.67
  Average:         24      1.59      0.00     74.62      0.00      0.00     23.79
  Average:         25      1.88      0.00     74.26      0.00      0.00     23.86
  Average:         26      1.79      0.00     73.82      0.00      0.00     24.38
  Average:         27      1.58      0.00     76.51      0.00      0.00     21.92
  Average:         28      1.79      0.00     77.89      0.00      0.00     20.32
  Average:         29      1.89      0.00     78.22      0.00      0.00     19.88
  Average:         30      3.04      0.00     76.31      0.00      0.00     20.65
  Average:         31      3.35      0.00     77.76      0.00      0.00     18.89
  Average:         32      3.07      0.00     74.56      0.00      0.00     22.37
  Average:         33      3.15      0.00     74.31      0.00      0.00     22.53
  Average:         34      2.90      0.00     74.33      0.00      0.00     22.77
  Average:         35      3.09      0.00     75.38      0.00      0.00     21.53
  Average:         36      2.90      0.00     75.25      0.02      0.00     21.84
  Average:         37      2.92      0.00     74.80      0.00      0.00     22.28
  Average:         38      3.24      0.00     74.99      0.00      0.00     21.77
  Average:         39      3.11      0.00     75.46      0.00      0.00     21.43
  Average:         40      3.30      0.00     72.86      0.00      0.00     23.83
  Average:         41      3.25      0.00     71.73      0.00      0.00     25.01
  Average:         42      3.51      0.00     73.49      0.00      0.00     23.00
  Average:         43      3.25      0.00     73.79      0.00      0.00     22.96
  Average:         44      2.97      0.00     73.59      0.00      0.00     23.44
  Average:         45      3.14      0.00     74.78      0.00      0.00     22.08
  Average:         46      3.58      0.00     68.07      0.00      0.00     28.36
  Average:         47      3.46      0.00     71.68      0.00      0.00     24.86
  Average:         48      3.28      0.00     73.14      0.00      0.00     23.58
  Average:         49      3.71      0.00     69.21      0.00      0.00     27.08
  Average:         50      3.12      0.00     71.34      0.00      0.00     25.54
  Average:         51      3.01      0.00     76.15      0.00      0.00     20.84
  Average:         52     27.12      0.00     59.04      0.00      0.00     13.84
  Average:         53      3.18      0.00     76.32      0.00      0.00     20.50
  Average:         54      3.04      0.00     72.01      0.00      0.00     24.95
  Average:         55      2.95      0.00     74.96      0.00      0.00     22.09
  Average:         56      3.11      0.00     76.32      0.00      0.00     20.56
  Average:         57      2.92      0.00     72.79      0.00      0.00     24.29
  Average:         58      3.13      0.00     75.64      0.00      0.00     21.23
  Average:         59      3.08      0.00     74.22      0.00      0.00     22.69
  Average:         60      2.27      0.00     76.90      0.00      0.00     20.82
  Average:         61      2.26      0.00     73.16      0.00      0.00     24.58
  Average:         62      2.41      0.00     80.87      0.00      0.00     16.72
  Average:         63      2.41      0.00     76.70      0.00      0.00     20.89
  Average:         64      2.76      0.00     77.53      0.00      0.00     19.71
  Average:         65      2.34      0.00     77.57      0.00      0.00     20.08
  Average:         66      2.41      0.00     77.48      0.00      0.00     20.11
  Average:         67      2.32      0.00     78.66      0.00      0.00     19.02
  Average:         68      2.22      0.00     72.75      0.00      0.00     25.03
  Average:         69      2.21      0.00     72.78      0.00      0.00     25.01
  Average:         70      3.43      0.00     71.67      0.00      0.00     24.91
  Average:         71      3.70      0.00     75.48      0.00      0.00     20.82
  Average:         72      3.92      0.00     74.17      0.00      0.00     21.91
  Average:         73      4.00      0.00     74.42      0.00      0.00     21.58
  Average:         74      3.85      0.00     75.61      0.00      0.00     20.54
  Average:         75      3.80      0.00     76.05      0.00      0.00     20.14
  Average:         76      3.35      0.00     75.91      0.00      0.00     20.74
  Average:         77      3.41      0.00     74.09      0.00      0.00     22.49
  Average:         78      3.47      0.00     71.43      0.00      0.00     25.10
  Average:         79      3.57      0.00     68.43      0.00      0.00     27.99
  [root@nsj4 ~]#
  [root@nsj4 ~]#
  [root@nsj4 ~]# ip netns exec qlbaas-ade3e627-5fda-4781-855e-25a0f5217d17 ping 20.1.1.100
  PING 20.1.1.100 (20.1.1.100) 56(84) bytes of data.
  From 20.1.1.101 icmp_seq=1 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=2 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=3 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=4 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=5 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=6 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=7 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=8 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=9 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=10 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=11 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=12 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=13 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=14 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=15 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=16 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=17 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=18 Destination Host Unreachable
  From 20.1.1.101 icmp_seq=19 Destination Host Unreachable
  ^C
  --- 20.1.1.100 ping statistics ---
  20 packets transmitted, 0 received, +19 errors, 100% packet loss, time 19044ms
  pipe 4
  [root@nsj4 ~]# ^C
  [root@nsj4 ~]# top
  top - 03:44:38 up 10:20,  2 users,  load average: 106.37, 107.24, 107.97
  Tasks: 2897 total,  68 running, 2611 sleeping,   0 stopped, 218 zombie
  %Cpu(s):  1.5 us, 21.7 sy,  0.0 ni, 76.8 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
  KiB Mem : 26396150+total, 24796382+free, 11314276 used,  4683396 buff/cache
  KiB Swap:  1048572 total,  1048572 free,        0 used. 24887622+avail Mem

    PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND                                                                                                      
   7009 neutron   20   0  317952  72268   4444 R  92.9  0.0 148:13.18 neutron-openvsw                                                                                              
    536 root      rt   0       0      0      0 S  85.0  0.0   4:57.94 migration/73                                                                                                  
   1025 root      20   0  134048  61472  59008 R  70.7  0.0  80:33.70 systemd-journal                                                                                              
  39205 root      20   0  118948   1000    776 R  50.7  0.0   0:00.71 killall                                                                                                      
  39216 root      20   0  118948   1000    776 R  45.7  0.0   0:00.64 killall                                                                                                      
    556 root      rt   0       0      0      0 S  45.0  0.0   5:43.53 migration/77                                                                                                  
  38994 root      20   0  132928   4704   1220 R  45.0  0.0   0:01.46 top                                                                                                          
    183 root      rt   0       0      0      0 S  42.1  0.0   5:29.76 migration/3                                                                                                  
  39219 root      20   0  118948   1004    776 R  42.1  0.0   0:00.59 killall                                                                                                      
  39236 root      20   0  118948   1000    776 R  37.9  0.0   0:00.53 killall                                                                                                      
    486 root      rt   0       0      0      0 S  37.1  0.0   7:06.88 migration/63                                                                                                  
    471 root      rt   0       0      0      0 S  35.7  0.0   6:16.86 migration/60                                                                                                  
  39280 root      20   0  118948   1000    776 R  32.9  0.0   0:00.46 killall                                                                                                      
  39277 root      20   0  118948   1000    776 R  30.0  0.0   0:00.42 killall                                                                                                      
  39304 root      20   0  118948   1000    776 R  30.0  0.0   0:00.42 killall                                                                                                      
  39286 root      20   0  118948   1000    776 R  29.3  0.0   0:00.41 killall                                                                                                      
  39325 root      20   0  118948   1020    776 R  29.3  0.0   0:00.41 killall                                                                                                      
  39303 root      20   0  118948   1004    776 R  27.9  0.0   0:00.39 killall                                                                                                      
  39260 root      20   0  118952   1032    776 R  27.1  0.0   0:00.38 killall                                                                                                      
  39262 root      20   0  118948    996    776 R  27.1  0.0   0:00.38 killall                                                                                                      
  39328 root      20   0  118948    996    776 R  26.4  0.0   0:00.37 killall                                                                                                      
  39278 root      20   0  118948   1004    776 R  25.7  0.0   0:00.36 killall                                                                                                      
  39290 root      20   0  118948   1004    776 R  25.7  0.0   0:00.36 killall                                                                                                      
  39349 root      20   0  118948   1004    776 R  25.7  0.0   0:00.36 killall                                                                                                      
  39353 root      20   0  118948   1000    776 R  25.7  0.0   0:00.36 killall                                                                                                      
  39293 root      20   0  118948   1004    776 R  25.0  0.0   0:00.35 killall                                                                                                      
  39300 root      20   0  118948    996    776 R  25.0  0.0   0:00.35 killall                                                                                                      
  39314 root      20   0  118948   1004    776 R  25.0  0.0   0:00.35 killall                                                                                                      
  39316 root      20   0  118948   1000    776 R  25.0  0.0   0:00.35 killall                                                                                                      
  39323 root      20   0  118948   1000    776 R  25.0  0.0   0:00.35 killall                                                                                                      
  39345 root      20   0  118948   1000    776 R  23.6  0.0   0:00.33 killall                                                                                                      
  39370 root      20   0  118948   1020    776 R  23.6  0.0   0:00.33 killall                                                                                                      
  39354 root      20   0  118948   1000    776 R  22.9  0.0   0:00.32 killall                                                                                                      
  39335 root      20   0  118948   1000    776 R  22.1  0.0   0:00.31 killall                                                                                                      
  39320 root      20   0  118948   1000    776 R  21.4  0.0   0:00.30 killall                                                                                                      
  39356 root      20   0  118952   1012    776 R  21.4  0.0   0:00.30 killall                                                                                                      
  39362 root      20   0  118948   1000    776 R  21.4  0.0   0:00.30 killall                                                                                                      
  39361 root      20   0  118948   1000    776 R  20.7  0.0   0:00.29 killall                                                                                                      
  39368 root      20   0  118948   1000    776 R  20.0  0.0   0:00.28 killall                                                                                                      
  39374 root      20   0  118952   1012    776 R  20.0  0.0   0:00.28 killall                                                                                                      
  39380 root      20   0  118948   1000    776 R  19.3  0.0   0:00.27 killall                                                                                                      
  39382 root      20   0  118952   1016    776 R  18.6  0.0   0:00.26 killall                                                                                                      
  39390 root      20   0  118948    996    776 R  17.1  0.0   0:00.24 killall                                                                                                      
  39396 root      20   0  118948   1000    776 R  17.1  0.0   0:00.24 killall                                                                                                      
  39398 root      20   0  118948   1000    776 R  16.4  0.0   0:00.23 killall                                                                                                      
  39404 root      20   0  118948   1000    776 R  16.4  0.0   0:00.23 killall                                                                                                      
  39407 root      20   0  118948    996    776 R  16.4  0.0   0:00.23 killall                                                                                                      
  39394 root      20   0  118948    996    776 R  15.7  0.0   0:00.22 killall                                                                                                      
  28742 root      20   0       0      0      0 S  13.6  0.0   4:07.63 kworker/8:0                                                                                                  
  67592 root      20   0       0      0      0 R  13.6  0.0   4:53.96 kworker/49:2                                                                                                  
  12851 root      20   0       0      0      0 S  10.7  0.0  14:01.48 kworker/16:0                                                                                                  
  25321 root      20   0       0      0      0 S  10.7  0.0   4:20.20 kworker/58:2                                                                                                  
  35314 root      20   0       0      0      0 S  10.7  0.0   8:05.81 kworker/69:1                                                                                                  
  67884 root      20   0       0      0      0 S  10.0  0.0   7:03.74 kworker/64:2                                                                                                  
  39418 root      20   0  118948    996    776 R   9.3  0.0   0:00.13 killall                                                                                                      
  39422 root      20   0  118948    992    776 R   9.3  0.0   0:00.13 killall                                                                                                      
  39426 root      20   0  118948   1000    776 R   9.3  0.0   0:00.13 killall                                                                                                      
  39428 root      20   0  118948    996    776 R   9.3  0.0   0:00.13 killall                                                                                                      
    451 root      rt   0       0      0      0 S   8.6  0.0   5:35.46 migration/56                                                                                                  
  26106 root      20   0       0      0      0 S   8.6  0.0   9:16.24 kworker/65:2                                                                                                  
  [root@nsj4 ~]# free
                total        used        free      shared  buff/cache   available

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