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[Slawek Kaplonski <1903985@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1887506 ***
    https://bugs.launchpad.net/bugs/1887506

** This bug has been marked a duplicate of bug 1887506
   Privileged daemon should not monkey patch "os", "threading" or "socket" libraries

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https://bugs.launchpad.net/bugs/1903985

Title:
  [functional] Timeouts during setting link attributes in the namepaces

Status in neutron:
  Confirmed

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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