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[Launchpad Bug Tracker <1498502@xxxxxxxxxxxxxxxxxx>]

[Expired for neutron because there has been no activity for 60 days.]

** Changed in: neutron
       Status: Incomplete => Expired

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

Title:
  LBaas-after create 301 LB pool , the lb network unstable

Status in neutron:
  Expired

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

  ^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)

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