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[James Page <james.page@xxxxxxxxxx>]

The warning messages from ovs have disappeared:

2015-02-24T06:59:27.667Z|01948|vlog|INFO|opened log file /var/log/openvswitch/ovs-vswitchd.log
2015-02-24T07:21:26.499Z|01949|bridge|INFO|bridge br-int: added interface qvoae80d4db-ed on port 317
2015-02-24T07:21:37.536Z|01950|ofproto|INFO|br-int: 1 flow_mods 10 s ago (1 deletes)
2015-02-24T07:35:07.440Z|01951|bridge|INFO|bridge br-int: added interface qvof7aa16b4-e2 on port 318
2015-02-24T07:35:20.813Z|01952|ofproto|INFO|br-int: 1 flow_mods 10 s ago (1 deletes)
2015-02-24T07:36:16.509Z|01953|bridge|INFO|bridge br-int: added interface qvo728d4925-f9 on port 319
2015-02-24T07:36:28.125Z|01954|ofproto|INFO|br-int: 1 flow_mods 10 s ago (1 deletes)
2015-02-24T07:37:07.278Z|01955|bridge|INFO|bridge br-int: added interface qvo2e643a8e-e0 on port 320
2015-02-24T07:37:28.073Z|01956|ofproto|INFO|br-int: 1 flow_mods 20 s ago (1 deletes)
2015-02-24T07:38:16.861Z|01957|bridge|INFO|bridge br-int: added interface qvo4069b2ce-6f on port 321
2015-02-24T07:38:28.359Z|01958|ofproto|INFO|br-int: 1 flow_mods 10 s ago (1 deletes)
2015-02-24T07:39:26.142Z|01959|bridge|INFO|bridge br-int: added interface qvocab2db31-b0 on port 322
2015-02-24T07:39:38.362Z|01960|ofproto|INFO|br-int: 1 flow_mods 10 s ago (1 deletes)
2015-02-24T08:02:27.466Z|01961|bridge|INFO|bridge br-int: added interface qvo3a35ec04-8d on port 323
2015-02-24T08:02:29.516Z|01962|bridge|INFO|bridge br-int: added interface qvocbe0764b-7a on port 324
2015-02-24T08:02:39.184Z|01963|ofproto|INFO|br-int: 2 flow_mods in the 1 s starting 10 s ago (2 deletes)
2015-02-24T09:11:29.499Z|01964|bridge|INFO|bridge br-int: added interface qvo6109c03e-d7 on port 325
2015-02-24T09:11:42.086Z|01965|ofproto|INFO|br-int: 1 flow_mods 10 s ago (1 deletes)
2015-02-24T09:11:44.390Z|01966|bridge|INFO|bridge br-int: added interface qvo8fea2619-af on port 326
2015-02-24T09:11:59.286Z|01967|bridge|INFO|bridge br-int: added interface qvo406e935a-8e on port 327
2015-02-24T09:12:15.035Z|01968|bridge|INFO|bridge br-int: added interface qvoec8b6516-46 on port 328
2015-02-24T09:12:33.683Z|01969|bridge|INFO|bridge br-int: added interface qvo004892ce-34 on port 329
2015-02-24T09:12:41.754Z|01970|bridge|INFO|bridge br-int: added interface qvofea96788-84 on port 330
2015-02-24T09:12:41.941Z|01971|ofproto|INFO|br-int: 4 flow_mods in the 49 s starting 55 s ago (4 deletes)
2015-02-24T09:13:42.116Z|01972|ofproto|INFO|br-int: 1 flow_mods 58 s ago (1 deletes)
2015-02-24T09:38:32.682Z|01973|bridge|INFO|bridge br-int: added interface qvo1d6c44e8-d1 on port 331
2015-02-24T09:38:45.441Z|01974|ofproto|INFO|br-int: 1 flow_mods 10 s ago (1 deletes)
2015-02-24T09:38:45.441Z|01975|ofproto|INFO|br-tun: 2 flow_mods 10 s ago (1 adds, 1 modifications)
2015-02-24T09:39:03.039Z|01976|bridge|INFO|bridge br-int: added interface qvo4894ddc5-4f on port 332
2015-02-24T09:39:35.323Z|01977|bridge|INFO|bridge br-int: added interface qvo99244c03-16 on port 333
2015-02-24T09:39:45.247Z|01978|ofproto|INFO|br-int: 2 flow_mods in the 32 s starting 40 s ago (2 deletes)
2015-02-24T09:40:05.694Z|01979|bridge|INFO|bridge br-int: added interface qvo87d42fbd-c3 on port 334
2015-02-24T09:40:19.309Z|01980|bridge|INFO|bridge br-int: added interface qvoc1b06a01-9a on port 335
2015-02-24T09:40:31.904Z|01981|bridge|INFO|bridge br-int: added interface qvo45329375-28 on port 336
2015-02-24T09:40:45.179Z|01982|ofproto|INFO|br-int: 3 flow_mods in the 25 s starting 38 s ago (3 deletes)
2015-02-24T09:55:53.586Z|01983|ofproto|INFO|br-tun: 2 flow_mods 10 s ago (2 deletes)

confirmed still present on one of the other nodes which does not have
this patched kernel

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https://bugs.launchpad.net/bugs/1408972

Title:
  openvswitch: failed to flow_del (No such file or directory)

Status in linux package in Ubuntu:
  Confirmed
Status in openvswitch package in Ubuntu:
  Invalid

Bug description:
  As part of the investigation into bug 1336555, we've noticed a large
  number of these error messages being logged in 14.04 OpenStack
  deployments:

  2015-01-09T10:50:53.643Z|03976|dpif|WARN|system@ovs-system: failed to flow_del (No such file or directory) skb_priority(0),in_port(4),skb_mark(0),eth(src=ce:2b:3a:c3:d7:d1,dst=33:33:ff:50:c2:61),eth_type(0x86dd),ipv6(src=::,dst=ff02::1:ff50:c261,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=135,code=0),nd(target=fe80::5ccd:caff:fe50:c261)
  2015-01-09T10:50:54.644Z|03977|dpif|WARN|system@ovs-system: failed to flow_del (No such file or directory) skb_priority(0),in_port(4),skb_mark(0),eth(src=ce:2b:3a:c3:d7:d1,dst=33:33:ff:50:c2:61),eth_type(0x86dd),ipv6(src=::,dst=ff02::1:ff50:c261,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=135,code=0),nd(target=fe80::5ccd:caff:fe50:c261)
  2015-01-09T10:50:55.645Z|03978|dpif|WARN|system@ovs-system: failed to flow_del (No such file or directory) skb_priority(0),in_port(4),skb_mark(0),eth(src=ce:2b:3a:c3:d7:d1,dst=33:33:ff:50:c2:61),eth_type(0x86dd),ipv6(src=::,dst=ff02::1:ff50:c261,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=135,code=0),nd(target=fe80::5ccd:caff:fe50:c261)
  2015-01-09T10:50:56.645Z|03979|dpif|WARN|system@ovs-system: failed to flow_del (No such file or directory) skb_priority(0),in_port(4),skb_mark(0),eth(src=ce:2b:3a:c3:d7:d1,dst=33:33:ff:50:c2:61),eth_type(0x86dd),ipv6(src=::,dst=ff02::1:ff50:c261,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=135,code=0),nd(target=fe80::5ccd:caff:fe50:c261)
  2015-01-09T10:50:57.646Z|03980|dpif|WARN|system@ovs-system: failed to flow_del (No such file or directory) skb_priority(0),in_port(4),skb_mark(0),eth(src=ce:2b:3a:c3:d7:d1,dst=33:33:ff:50:c2:61),eth_type(0x86dd),ipv6(src=::,dst=ff02::1:ff50:c261,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=135,code=0),nd(target=fe80::5ccd:caff:fe50:c261)
  2015-01-09T10:50:58.646Z|03981|dpif|WARN|system@ovs-system: failed to flow_del (No such file or directory) skb_priority(0),in_port(4),skb_mark(0),eth(src=ce:2b:3a:c3:d7:d1,dst=33:33:ff:50:c2:61),eth_type(0x86dd),ipv6(src=::,dst=ff02::1:ff50:c261,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=135,code=0),nd(target=fe80::5ccd:caff:fe50:c261)
  2015-01-09T10:50:59.645Z|03982|dpif|WARN|system@ovs-system: failed to flow_del (No such file or directory) skb_priority(0),in_port(4),skb_mark(0),eth(src=ce:2b:3a:c3:d7:d1,dst=33:33:ff:50:c2:61),eth_type(0x86dd),ipv6(src=::,dst=ff02::1:ff50:c261,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=135,code=0),nd(target=fe80::5ccd:caff:fe50:c261)
  2015-01-09T10:51:00.646Z|03983|dpif|WARN|system@ovs-system: failed to flow_del (No such file or directory) skb_priority(0),in_port(4),skb_mark(0),eth(src=ce:2b:3a:c3:d7:d1,dst=33:33:ff:50:c2:61),eth_type(0x86dd),ipv6(src=::,dst=ff02::1:ff50:c261,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=135,code=0),nd(target=fe80::5ccd:caff:fe50:c261)
  2015-01-09T10:51:01.646Z|03984|dpif|WARN|system@ovs-system: failed to flow_del (No such file or directory) skb_priority(0),in_port(4),skb_mark(0),eth(src=ce:2b:3a:c3:d7:d1,dst=33:33:ff:50:c2:61),eth_type(0x86dd),ipv6(src=::,dst=ff02::1:ff50:c261,label=0,proto=58,tclass=0,hlimit=255,frag=no),icmpv6(type=135,code=0),nd(target=fe80::5ccd:caff:fe50:c261)

  this was fixed upstream in the datapath dkms module (see
  https://github.com/openvswitch/ovs/commit/3601bd879) and is fixed in
  the 3.16 kernel as well; please can this fix be backported to 3.13.

  Thanks!

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-generic 3.13.0.43.50
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Uname: Linux 3.13.0-35-generic x86_64
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Dec 11 21:01 seq
   crw-rw---- 1 root audio 116, 33 Dec 11 21:01 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.14.1-0ubuntu3.6
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  Date: Fri Jan  9 10:50:39 2015
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
  MachineType: HP ProLiant DL360p Gen8
  PciMultimedia:
   
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-35-generic root=UUID=f8e77ea1-c970-4e7a-9e49-48532d763167 ro console=tty0 console=ttyS1,38400 quiet
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-35-generic N/A
   linux-backports-modules-3.13.0-35-generic  N/A
   linux-firmware                             1.127.10
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/21/2012
  dmi.bios.vendor: HP
  dmi.bios.version: P71
  dmi.chassis.type: 23
  dmi.chassis.vendor: HP
  dmi.modalias: dmi:bvnHP:bvrP71:bd02/21/2012:svnHP:pnProLiantDL360pGen8:pvr:cvnHP:ct23:cvr:
  dmi.product.name: ProLiant DL360p Gen8
  dmi.sys.vendor: HP

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