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[Michael Kazakov <1314130@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

network freezes for some seconds after service neutron-plugin-openvswitch-agent restart
Ubuntu 14.04 
latest neutron code from http://ppa.launchpad.net/openstack-ubuntu-testing/icehouse/ubuntu
ovs-vsctl (Open vSwitch) 2.0.1

neutron-openvswitch-agent log:
2014-04-29 10:44:12.836 36987 ERROR neutron.agent.linux.ovsdb_monitor [req-c5aeb93c-2254-4dc4-af5f-6df3a69995f7 None] Error received from ovsdb monitor: ovsdb-client: unix:/var/run/openvswitch/db.sock: receive failed (End of file)
2014-04-29 10:44:12.968 36987 ERROR neutron.agent.linux.ovs_lib [req-c5aeb93c-2254-4dc4-af5f-6df3a69995f7 None] Unable to execute ['ovs-vsctl', '--timeout=10', 'list-ports', 'br-int']. Exception:
Command: ['sudo', '/usr/bin/neutron-rootwrap', '/etc/neutron/rootwrap.conf', 'ovs-vsctl', '--timeout=10', 'list-ports', 'br-int']
Exit code: 1
Stdout: ''
Stderr: '2014-04-29T09:44:12Z|00001|reconnect|WARN|unix:/var/run/openvswitch/db.sock: connection attempt failed (No such file or directory)\novs-vsctl: unix:/var/run/openvswitch/db.sock: database connection failed (No such file or directory)\n'

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1314130

Title:
  network freezes for some seconds after service neutron-plugin-
  openvswitch-agent restart

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  network freezes for some seconds after service neutron-plugin-openvswitch-agent restart
  Ubuntu 14.04 
  latest neutron code from http://ppa.launchpad.net/openstack-ubuntu-testing/icehouse/ubuntu
  ovs-vsctl (Open vSwitch) 2.0.1

  neutron-openvswitch-agent log:
  2014-04-29 10:44:12.836 36987 ERROR neutron.agent.linux.ovsdb_monitor [req-c5aeb93c-2254-4dc4-af5f-6df3a69995f7 None] Error received from ovsdb monitor: ovsdb-client: unix:/var/run/openvswitch/db.sock: receive failed (End of file)
  2014-04-29 10:44:12.968 36987 ERROR neutron.agent.linux.ovs_lib [req-c5aeb93c-2254-4dc4-af5f-6df3a69995f7 None] Unable to execute ['ovs-vsctl', '--timeout=10', 'list-ports', 'br-int']. Exception:
  Command: ['sudo', '/usr/bin/neutron-rootwrap', '/etc/neutron/rootwrap.conf', 'ovs-vsctl', '--timeout=10', 'list-ports', 'br-int']
  Exit code: 1
  Stdout: ''
  Stderr: '2014-04-29T09:44:12Z|00001|reconnect|WARN|unix:/var/run/openvswitch/db.sock: connection attempt failed (No such file or directory)\novs-vsctl: unix:/var/run/openvswitch/db.sock: database connection failed (No such file or directory)\n'

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