Debug test_assert_br_int_patch_port_ofports_dont_change errors

[Rodolfo Alonso]

This functional test, "test_assert_br_int_patch_port_ofports_dont_change", has been reported as unstable.

Logs:
* http://logs.openstack.org/36/660936/1/check/neutron-functional/624aa7c/testr_results.html.gz

Error:
ft1.20: neutron.tests.functional.agent.test_l2_ovs_agent.TestOVSAgent.test_assert_br_int_patch_port_ofports_dont_changetesttools.testresult.real._StringException: Traceback (most recent call last):
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/functional/agent/l2/base.py", line 214, in stop_agent
    rpc_loop_thread.wait()
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/eventlet/greenthread.py", line 181, in wait
    return self._exit_event.wait()
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/eventlet/event.py", line 125, in wait
    result = hub.switch()
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/eventlet/hubs/hub.py", line 298, in switch
    return self.greenlet.switch()
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/eventlet/hubs/hub.py", line 350, in run
    self.wait(sleep_time)
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/eventlet/hubs/poll.py", line 80, in wait
    presult = self.do_poll(seconds)
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/eventlet/hubs/epolls.py", line 31, in do_poll
    return self.poll.poll(seconds)
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.6/site-packages/fixtures/_fixtures/timeout.py", line 52, in signal_handler
    raise TimeoutException()
fixtures._fixtures.timeout.TimeoutException

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/661966

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/661966
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=b77c79e5e8ee8127ccfc875e6e260f554694104b
Submitter: Zuul
Branch: master

commit b77c79e5e8ee8127ccfc875e6e260f554694104b
Author: Rodolfo Alonso Hernandez <email address hidden>
Date: Wed May 29 12:37:46 2019 +0000

    Stop OVS agent before starting it again

    In TestOVSAgent, there are two tests where the OVS agent is
    configured and started twice per test. Before the second call,
    the agent should be stopped first.

    Change-Id: I30c2bd4ce3715cde60bc0cd3736bd9c75edc1df3
    Closes-Bug: #1830895

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/stein
Review: https://review.opendev.org/666583

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/666583
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=ff662050817eee6ee6371e765b46d90e49adbe9c
Submitter: Zuul
Branch: stable/stein

commit ff662050817eee6ee6371e765b46d90e49adbe9c
Author: Rodolfo Alonso Hernandez <email address hidden>
Date: Wed May 29 12:37:46 2019 +0000

    Stop OVS agent before starting it again

    In TestOVSAgent, there are two tests where the OVS agent is
    configured and started twice per test. Before the second call,
    the agent should be stopped first.

    Depends-On: https://review.opendev.org/667216/
    Change-Id: I30c2bd4ce3715cde60bc0cd3736bd9c75edc1df3
    Closes-Bug: #1830895
    (cherry picked from commit b77c79e5e8ee8127ccfc875e6e260f554694104b)

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/rocky
Review: https://review.opendev.org/675880

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/queens
Review: https://review.opendev.org/675881

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/675880
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=cd216c2c76b8022535788f8b5bfda9ed380a7746
Submitter: Zuul
Branch: stable/rocky

commit cd216c2c76b8022535788f8b5bfda9ed380a7746
Author: Rodolfo Alonso Hernandez <email address hidden>
Date: Wed May 29 12:37:46 2019 +0000

    Stop OVS agent before starting it again

    In TestOVSAgent, there are two tests where the OVS agent is
    configured and started twice per test. Before the second call,
    the agent should be stopped first.

    Depends-On: https://review.opendev.org/667216/
    Change-Id: I30c2bd4ce3715cde60bc0cd3736bd9c75edc1df3
    Closes-Bug: #1830895
    (cherry picked from commit b77c79e5e8ee8127ccfc875e6e260f554694104b)
    (cherry picked from commit ff662050817eee6ee6371e765b46d90e49adbe9c)

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/675881
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=f2176cade17d7848533297a98348975c42bb54a4
Submitter: Zuul
Branch: stable/queens

commit f2176cade17d7848533297a98348975c42bb54a4
Author: Rodolfo Alonso Hernandez <email address hidden>
Date: Wed May 29 12:37:46 2019 +0000

    Stop OVS agent before starting it again

    In TestOVSAgent, there are two tests where the OVS agent is
    configured and started twice per test. Before the second call,
    the agent should be stopped first.

    Depends-On: https://review.opendev.org/667216/
    Change-Id: I30c2bd4ce3715cde60bc0cd3736bd9c75edc1df3
    Closes-Bug: #1830895
    (cherry picked from commit b77c79e5e8ee8127ccfc875e6e260f554694104b)
    (cherry picked from commit ff662050817eee6ee6371e765b46d90e49adbe9c)

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/neutron 15.0.0.0b1 development milestone.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/neutron 14.0.3 release.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/neutron 13.0.5 release.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/neutron 12.1.1 release.