Fullstack test neutron.tests.fullstack.test_logging.TestLogging is failing on Ubuntu Focal

[Slawek Kaplonski]

Failure stacktrace:

ft1.1: neutron.tests.fullstack.test_logging.TestLogging.test_loggingtesttools.testresult.real._StringException: stderr: {{{
/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-fullstack-gate/lib/python3.8/site-packages/pymysql/cursors.py:170: Warning: (3719, "'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.")
  result = self._query(query)
/home/zuul/src/opendev.org/openstack/neutron/neutron/agent/common/ovs_lib.py:344: DeprecationWarning: Use of run_ofctl is deprecated and will be removed in version 'V'
  debtcollector.deprecate("Use of run_ofctl is "
/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-fullstack-gate/lib/python3.8/site-packages/pymysql/cursors.py:170: Warning: (3719, "'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.")
  result = self._query(query)
/usr/lib/python3.8/subprocess.py:942: ResourceWarning: subprocess 136490 is still running
  _warn("subprocess %s is still running" % self.pid,
ResourceWarning: Enable tracemalloc to get the object allocation traceback
/usr/lib/python3.8/subprocess.py:942: ResourceWarning: subprocess 151338 is still running
  _warn("subprocess %s is still running" % self.pid,
ResourceWarning: Enable tracemalloc to get the object allocation traceback
/usr/lib/python3.8/subprocess.py:942: ResourceWarning: subprocess 126106 is still running
  _warn("subprocess %s is still running" % self.pid,
ResourceWarning: Enable tracemalloc to get the object allocation traceback
}}}

stdout: {{{
Running upgrade for neutron ...
OK
}}}

Traceback (most recent call last):
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/common/utils.py", line 704, in wait_until_true
    eventlet.sleep(sleep)
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-fullstack-gate/lib/python3.8/site-packages/eventlet/greenthread.py", line 36, in sleep
    hub.switch()
  File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-fullstack-gate/lib/python3.8/site-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 "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/base.py", line 182, in func
    return f(self, *args, **kwargs)
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/fullstack/test_logging.py", line 182, in test_logging
    self._check_log(log_id=log_id, action='DROP', regex_str="dst_port=22")
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/tests/fullstack/test_logging.py", line 87, in _check_log
    utils.wait_until_true(lambda: _is_log_event(log_id, action, regex_str))
  File "/home/zuul/src/opendev.org/openstack/neutron/neutron/common/utils.py", line 709, in wait_until_true
    raise WaitTimeout(_("Timed out after %d seconds") % timeout)
neutron.common.utils.WaitTimeout: Timed out after 60 seconds

[Slawek Kaplonski (slaweq)]

This is in fact caused by missing ncat package on node with ubuntu 20.04 and it should be fixed with https://review.opendev.org/#/c/734304/ which installs ncat package in functional/fullstack jobs