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[Maciej Jozefczyk <1874447@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

We can see occasional test failures of tempest test with OVN:

neutron_tempest_plugin.scenario.test_trunk.TrunkTest.test_trunk_subport_lifecycle


Traceback (most recent call last):
  File "/opt/stack/neutron-tempest-plugin/neutron_tempest_plugin/common/utils.py", line 78, in wait_until_true
    eventlet.sleep(sleep)
  File "/usr/local/lib/python3.6/dist-packages/eventlet/greenthread.py", line 36, in sleep
    hub.switch()
  File "/usr/local/lib/python3.6/dist-packages/eventlet/hubs/hub.py", line 298, in switch
    return self.greenlet.switch()
eventlet.timeout.Timeout: 60 seconds

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/opt/stack/neutron-tempest-plugin/neutron_tempest_plugin/scenario/test_trunk.py", line 240, in test_trunk_subport_lifecycle
    self._wait_for_port(port)
  File "/opt/stack/neutron-tempest-plugin/neutron_tempest_plugin/scenario/test_trunk.py", line 141, in _wait_for_port
    "status {!r}.".format(port['id'], status)))
  File "/opt/stack/neutron-tempest-plugin/neutron_tempest_plugin/common/utils.py", line 82, in wait_until_true
    raise exception
RuntimeError: Timed out waiting for port 'cffcacde-a34e-4e1a-90ca-8d48776b9851' to transition to get status 'ACTIVE'.


Example failure:
https://storage.gra.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_d8c/717851/2/check/neutron-ovn-tempest-ovs-release/d8c0282/testr_results.html

** Affects: neutron
     Importance: High
         Status: Confirmed


** Tags: ovn tempest

** Changed in: neutron
   Importance: Undecided => High

** Changed in: neutron
       Status: New => Confirmed

** Tags added: tempest

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https://bugs.launchpad.net/bugs/1874447

Title:
  [OVN] Tempest test
  neutron_tempest_plugin.scenario.test_trunk.TrunkTest.test_trunk_subport_lifecycle
  fails randomly

Status in neutron:
  Confirmed

Bug description:
  We can see occasional test failures of tempest test with OVN:

  neutron_tempest_plugin.scenario.test_trunk.TrunkTest.test_trunk_subport_lifecycle

  
  Traceback (most recent call last):
    File "/opt/stack/neutron-tempest-plugin/neutron_tempest_plugin/common/utils.py", line 78, in wait_until_true
      eventlet.sleep(sleep)
    File "/usr/local/lib/python3.6/dist-packages/eventlet/greenthread.py", line 36, in sleep
      hub.switch()
    File "/usr/local/lib/python3.6/dist-packages/eventlet/hubs/hub.py", line 298, in switch
      return self.greenlet.switch()
  eventlet.timeout.Timeout: 60 seconds

  During handling of the above exception, another exception occurred:

  Traceback (most recent call last):
    File "/opt/stack/neutron-tempest-plugin/neutron_tempest_plugin/scenario/test_trunk.py", line 240, in test_trunk_subport_lifecycle
      self._wait_for_port(port)
    File "/opt/stack/neutron-tempest-plugin/neutron_tempest_plugin/scenario/test_trunk.py", line 141, in _wait_for_port
      "status {!r}.".format(port['id'], status)))
    File "/opt/stack/neutron-tempest-plugin/neutron_tempest_plugin/common/utils.py", line 82, in wait_until_true
      raise exception
  RuntimeError: Timed out waiting for port 'cffcacde-a34e-4e1a-90ca-8d48776b9851' to transition to get status 'ACTIVE'.


  Example failure:
  https://storage.gra.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_d8c/717851/2/check/neutron-ovn-tempest-ovs-release/d8c0282/testr_results.html

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