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[Bug 1816443] [NEW] ovs agent can fail with oslo_config.cfg.NoSuchOptError

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Attila Fazekas <afazekas@xxxxxxxxxx>
Date: Mon, 18 Feb 2019 14:48:08 -0000
Reply-to: Bug 1816443 <1816443@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

Neutron ovs agent some cases have this in his log:

The rpc_response_max_timeout supposed to have a default value:

I wonder is the issue related to https://bugs.launchpad.net/cinder/+bug/1796759,
where the oslo.messaging change affected 2 other component.


Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.143 30426 ERROR neutron.agent.common.async_process [-] Error received from [ovsdb-client monitor tcp:127.0.0.1:6640 Interface nam>
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 CRITICAL neutron [-] Unhandled error: oslo_config.cfg.NoSuchOptError: no such option rpc_response_max_timeout in group >
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron Traceback (most recent call last):
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/oslo_config/cfg.py", line 2183, in __getattr__
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     return self._get(name)
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/oslo_config/cfg.py", line 2617, in _get
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     value, loc = self._do_get(name, group, namespace)
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/oslo_config/cfg.py", line 2635, in _do_get
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     info = self._get_opt_info(name, group)
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/oslo_config/cfg.py", line 2835, in _get_opt_info
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     raise NoSuchOptError(opt_name, group)
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron oslo_config.cfg.NoSuchOptError: no such option rpc_response_max_timeout in group [DEFAULT]
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron


Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron During handling of the above exception, another exception occurred:
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron Traceback (most recent call last):
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/bin/neutron-openvswitch-agent", line 10, in <module>
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     sys.exit(main())
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/opt/stack/neutron/neutron/cmd/eventlet/plugins/ovs_neutron_agent.py", line 20, in main
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     agent_main.main()
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/main.py", line 47, in main
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     mod.main()
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/main.py", line 3>
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     'neutron.plugins.ml2.drivers.openvswitch.agent.'
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/os_ken/base/app_manager.py", line 370, in run_apps
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     hub.joinall(services)
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/os_ken/lib/hub.py", line 102, in joinall
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     t.wait()
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/eventlet/greenthread.py", line 180, in wait
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     return self._exit_event.wait()
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/eventlet/event.py", line 125, in wait
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     result = hub.switch()
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/eventlet/hubs/hub.py", line 297, in switch
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     return self.greenlet.switch()
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/eventlet/hubs/hub.py", line 349, in run
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     self.wait(sleep_time)
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/eventlet/hubs/poll.py", line 79, in wait
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     presult = self.do_poll(seconds)
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/eventlet/hubs/epolls.py", line 42, in do_poll
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     return self.poll.poll(seconds)
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 2285>
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     self.set_rpc_timeout(self.quitting_rpc_timeout)
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/osprofiler/profiler.py", line 160, in wrapper
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     result = f(*args, **kwargs)
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 2307>
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     rpc_api.client.set_max_timeout(timeout)
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/neutron_lib/rpc.py", line 204, in set_max_timeout
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     _BackingOffContextWrapper.set_max_timeout(max_timeout)
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/neutron_lib/rpc.py", line 140, in set_max_timeout
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     if max_timeout < cls.get_max_timeout():
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/neutron_lib/rpc.py", line 136, in get_max_timeout
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     return cls._max_timeout or _get_rpc_response_max_timeout()
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/neutron_lib/rpc.py", line 94, in _get_rpc_response_max_tim>
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     return TRANSPORT.conf.rpc_response_max_timeout
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/oslo_messaging/_drivers/common.py", line 483, in __getattr>
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     value = getattr(self._conf, name)
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/oslo_config/cfg.py", line 2187, in __getattr__
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     raise NoSuchOptError(name)
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron oslo_config.cfg.NoSuchOptError: no such option rpc_response_max_timeout in group [DEFAULT]
Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1816443

Title:
  ovs agent can fail with oslo_config.cfg.NoSuchOptError

Status in neutron:
  New

Bug description:
  Neutron ovs agent some cases have this in his log:

  The rpc_response_max_timeout supposed to have a default value:

  I wonder is the issue related to https://bugs.launchpad.net/cinder/+bug/1796759,
  where the oslo.messaging change affected 2 other component.

  
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.143 30426 ERROR neutron.agent.common.async_process [-] Error received from [ovsdb-client monitor tcp:127.0.0.1:6640 Interface nam>
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 CRITICAL neutron [-] Unhandled error: oslo_config.cfg.NoSuchOptError: no such option rpc_response_max_timeout in group >
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron Traceback (most recent call last):
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/oslo_config/cfg.py", line 2183, in __getattr__
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     return self._get(name)
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/oslo_config/cfg.py", line 2617, in _get
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     value, loc = self._do_get(name, group, namespace)
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/oslo_config/cfg.py", line 2635, in _do_get
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     info = self._get_opt_info(name, group)
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/oslo_config/cfg.py", line 2835, in _get_opt_info
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     raise NoSuchOptError(opt_name, group)
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron oslo_config.cfg.NoSuchOptError: no such option rpc_response_max_timeout in group [DEFAULT]
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron

  
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron During handling of the above exception, another exception occurred:
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron Traceback (most recent call last):
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/bin/neutron-openvswitch-agent", line 10, in <module>
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     sys.exit(main())
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/opt/stack/neutron/neutron/cmd/eventlet/plugins/ovs_neutron_agent.py", line 20, in main
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     agent_main.main()
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/main.py", line 47, in main
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     mod.main()
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/main.py", line 3>
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     'neutron.plugins.ml2.drivers.openvswitch.agent.'
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/os_ken/base/app_manager.py", line 370, in run_apps
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     hub.joinall(services)
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/os_ken/lib/hub.py", line 102, in joinall
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     t.wait()
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/eventlet/greenthread.py", line 180, in wait
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     return self._exit_event.wait()
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/eventlet/event.py", line 125, in wait
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     result = hub.switch()
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/eventlet/hubs/hub.py", line 297, in switch
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     return self.greenlet.switch()
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/eventlet/hubs/hub.py", line 349, in run
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     self.wait(sleep_time)
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/eventlet/hubs/poll.py", line 79, in wait
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     presult = self.do_poll(seconds)
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/eventlet/hubs/epolls.py", line 42, in do_poll
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     return self.poll.poll(seconds)
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 2285>
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     self.set_rpc_timeout(self.quitting_rpc_timeout)
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/osprofiler/profiler.py", line 160, in wrapper
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     result = f(*args, **kwargs)
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/opt/stack/neutron/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 2307>
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     rpc_api.client.set_max_timeout(timeout)
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/neutron_lib/rpc.py", line 204, in set_max_timeout
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     _BackingOffContextWrapper.set_max_timeout(max_timeout)
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/neutron_lib/rpc.py", line 140, in set_max_timeout
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     if max_timeout < cls.get_max_timeout():
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/neutron_lib/rpc.py", line 136, in get_max_timeout
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     return cls._max_timeout or _get_rpc_response_max_timeout()
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/neutron_lib/rpc.py", line 94, in _get_rpc_response_max_tim>
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     return TRANSPORT.conf.rpc_response_max_timeout
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/oslo_messaging/_drivers/common.py", line 483, in __getattr>
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     value = getattr(self._conf, name)
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron   File "/usr/local/lib/python3.7/site-packages/oslo_config/cfg.py", line 2187, in __getattr__
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron     raise NoSuchOptError(name)
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron oslo_config.cfg.NoSuchOptError: no such option rpc_response_max_timeout in group [DEFAULT]
  Feb 18 14:33:12 f29-dev-02 neutron-openvswitch-agent[30426]: 2019-02-18 14:33:12.260 30426 ERROR neutron

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