[functional] Timeouts during setting link attributes in the namepaces

Bug #1903985 reported by Slawek Kaplonski
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
neutron
Confirmed
High
Unassigned

Bug Description

Example of failure:

ft1.3: neutron.tests.functional.agent.linux.test_linuxbridge_arp_protect.LinuxBridgeARPSpoofTestCase.test_arp_fails_incorrect_protectiontesttools.testresult.real._StringException: traceback-1: {{{
Traceback (most recent call last):
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.8/site-packages/fixtures/fixture.py", line 197, in setUp
    self._setUp()
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/common/net_helpers.py", line 981, in _setUp
    self.port.link.set_up()
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/agent/linux/ip_lib.py", line 446, in set_up
    privileged.set_link_attribute(
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.8/site-packages/oslo_privsep/priv_context.py", line 247, in _wrap
    return self.channel.remote_call(name, args, kwargs)
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.8/site-packages/oslo_privsep/daemon.py", line 214, in remote_call
    result = self.send_recv((Message.CALL.value, name, args, kwargs))
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.8/site-packages/oslo_privsep/comm.py", line 172, in send_recv
    reply = future.result()
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.8/site-packages/oslo_privsep/comm.py", line 109, in result
    self.condvar.wait()
  File "/usr/lib/python3.8/threading.py", line 302, in wait
    waiter.acquire()
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.8/site-packages/eventlet/semaphore.py", line 115, in acquire
    hubs.get_hub().switch()
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.8/site-packages/eventlet/hubs/hub.py", line 313, in switch
    return self.greenlet.switch()
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.8/site-packages/eventlet/hubs/hub.py", line 365, in run
    self.wait(sleep_time)
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-functional/lib/python3.8/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/python3.8/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/python3.8/site-packages/fixtures/_fixtures/timeout.py", line 52, in signal_handler
    raise TimeoutException()
fixtures._fixtures.timeout.TimeoutException

Link to failed test: https://storage.gra.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_ef3/759908/3/check/neutron-functional-with-uwsgi/ef3de15/testr_results.html

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