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[Ben Nemec <openstack@xxxxxxxxxxxx>]

** Also affects: neutron
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1852175

Title:
  MessagingTimeout

Status in neutron:
  New
Status in oslo.messaging:
  Incomplete

Bug description:
  Hi All,

  We have a rocky 18.1.9 branch openstack ansible setup. When trying to
  launch a vm , it is going into ERROR state saying the vif creation
  failed. I see the following messages in the openvswitch agent log:

  -------------------
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent [-] Failed reporting state!: MessagingTimeout: Timed out waiting for a reply to messa
  ge ID ec0806a7312a4e55b090500257cc998a
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent Traceback (most recent call last):
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent   File "/openstack/venvs/neutron-18.1.9/lib/python2.7/site-packages/neutron/plugins/m
  l2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 325, in _report_state
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent     True)
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent   File "/openstack/venvs/neutron-18.1.9/lib/python2.7/site-packages/neutron/agent/rpc
  .py", line 97, in report_state
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent     return method(context, 'report_state', **kwargs)
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent   File "/openstack/venvs/neutron-18.1.9/lib/python2.7/site-packages/oslo_messaging/rp
  c/client.py", line 179, in call
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent     retry=self.retry)
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent   File "/openstack/venvs/neutron-18.1.9/lib/python2.7/site-packages/oslo_messaging/tr
  ansport.py", line 133, in _send
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent     retry=retry)
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent   File "/openstack/venvs/neutron-18.1.9/lib/python2.7/site-packages/oslo_messaging/_d
  rivers/amqpdriver.py", line 584, in send
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent     call_monitor_timeout, retry=retry)
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent   File "/openstack/venvs/neutron-18.1.9/lib/python2.7/site-packages/oslo_messaging/_d
  rivers/amqpdriver.py", line 573, in _send
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent     call_monitor_timeout)
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent   File "/openstack/venvs/neutron-18.1.9/lib/python2.7/site-packages/oslo_messaging/_d
  rivers/amqpdriver.py", line 459, in wait
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent     message = self.waiters.get(msg_id, timeout=timeout)
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent   File "/openstack/venvs/neutron-18.1.9/lib/python2.7/site-packages/oslo_messaging/_d
  rivers/amqpdriver.py", line 336, in get
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent     'to message ID %s' % msg_id)
  2019-11-01 17:29:23.971 6135 ERROR neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent MessagingTimeout: Timed out waiting for a reply to message ID ec0806a7312a4e55b090500
  257cc998a
  --------------------------- 

  
  Please help us with the issue.

  
  Thanks
  Kumar

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