Comment 24 for bug 1834637

Attaching tempest.log.before_fix, which shows how it is really needed to have context
instantiated as part of transaction.

$ grep -c "... ok" tempest.log.before_fix
84

$ grep -c "... FAILED" tempest.log.before_fix
2

$ grep -nA12 "... FAILED" tempest.log.before_fix
472:{0} neutron_tempest_plugin.scenario.test_trunk.TrunkTest.test_trunk_subport_lifecycle [236280.466269s] ... FAILED
473-
474-Captured traceback:
475-~~~~~~~~~~~~~~~~~~~
476- Traceback (most recent call last):
477- File "/opt/stack/neutron-tempest-plugin/neutron_tempest_plugin/scenario/test_trunk.py", line 201, in test_trunk_subport_lifecycle
478- self.wait_for_server_active(server=vm.server)
479- File "/opt/stack/neutron-tempest-plugin/neutron_tempest_plugin/scenario/base.py", line 380, in wait_for_server_active
480- server, constants.SERVER_STATUS_ACTIVE, client)
481- File "/opt/stack/neutron-tempest-plugin/neutron_tempest_plugin/scenario/base.py", line 370, in wait_for_server_status
482- waiters.wait_for_server_status(client, server['id'], status, **kwargs)
483- File "tempest/common/waiters.py", line 76, in wait_for_server_status
484- server_id=server_id)
--
778:{0} neutron_tempest_plugin.scenario.test_trunk.TrunkTest.test_trunk_subport_lifecycle [102.238741s] ... FAILED
779-
780-Captured traceback:
781-~~~~~~~~~~~~~~~~~~~
782- Traceback (most recent call last):
783- File "/opt/stack/neutron-tempest-plugin/neutron_tempest_plugin/scenario/test_trunk.py", line 230, in test_trunk_subport_lifecycle
784- self._wait_for_port(port, status=constants.DOWN)
785- File "/opt/stack/neutron-tempest-plugin/neutron_tempest_plugin/scenario/test_trunk.py", line 141, in _wait_for_port
786- "status {!r}.".format(port['id'], status)))
787- File "/opt/stack/neutron-tempest-plugin/neutron_tempest_plugin/common/utils.py", line 82, in wait_until_true
788- raise exception
789- RuntimeError: Timed out waiting for port u'40509745-1509-4077-9cce-b0bf86070084' to transition to get status 'DOWN'.
790-