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[Assaf Muller <amuller@xxxxxxxxxx>]

Still seeing instances of this bug. I have a deterministic solution
coming up.

** Changed in: neutron
       Status: Fix Released => Confirmed

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https://bugs.launchpad.net/bugs/1551288

Title:
  Fullstack native tests sometimes fail with an OVS agent failing to
  start with 'Address already in use' error

Status in neutron:
  Confirmed

Bug description:
  Example failure:
  test_connectivity(VLANs,Native) fails with this error:

  http://paste.openstack.org/show/488585/

  wait_until_env_is_up is timing out, which typically means that the
  expected number of agents failed to start. Indeed in this particular
  example I saw this line being output repeatedly in neutron-server.log:

  [29/Feb/2016 04:16:31] "GET /v2.0/agents.json HTTP/1.1" 200 1870
  0.005458

  Fullstack calls GET on agents to determine if the expected amount of
  agents were started and are successfully reporting back to neutron-
  server.

  We then see that one of the three OVS agents crashed with this TRACE:
  http://paste.openstack.org/show/488586/

  This happens only with the native tests using the Ryu library.

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