Comment 1 for bug 1859649

All errors appear to be on the neutron gateway.

One kind in neutron-ovs-agent :
neutron-openvswitch-agent.log:2020-01-14 16:21:31.563 456292 ERROR neutron.agent.rpc
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc [req-c5918d0d-f11b-4de7-b77c-f4628e33774d - - - - -] Failed to get details for device ab683ddb-a1f3-4404-b2b4-f912efe3530a: oslo_messaging.rpc.client.RemoteError: Remote error: InvalidTargetVersion Invalid target version 1.5
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc Traceback (most recent call last):
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc File "/usr/lib/python3/dist-packages/neutron/agent/rpc.py", line 303, in get_devices_details_list_and_failed_devices
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc agent_restarted))
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc File "/usr/lib/python3/dist-packages/neutron/agent/rpc.py", line 312, in get_device_details
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc resources.PORT, device, agent_restarted)
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc File "/usr/lib/python3/dist-packages/neutron/agent/resource_cache.py", line 61, in get_resource_by_id
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc agent_restarted=agent_restarted)
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc File "/usr/lib/python3/dist-packages/neutron/agent/resource_cache.py", line 79, in _flood_cache_for_query
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc filter_kwargs=filter_kwargs)
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc File "/usr/lib/python3/dist-packages/oslo_log/helpers.py", line 67, in wrapper
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc return method(*args, **kwargs)
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc File "/usr/lib/python3/dist-packages/neutron/api/rpc/handlers/resources_rpc.py", line 114, in bulk_pull
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc version=resource_type_cls.VERSION, filter_kwargs=filter_kwargs)
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc File "/usr/lib/python3/dist-packages/neutron_lib/rpc.py", line 157, in call
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc return self._original_context.call(ctxt, method, **kwargs)
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc File "/usr/lib/python3/dist-packages/oslo_messaging/rpc/client.py", line 178, in call
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc retry=self.retry)
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc File "/usr/lib/python3/dist-packages/oslo_messaging/transport.py", line 128, in _send
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc retry=retry)
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc File "/usr/lib/python3/dist-packages/oslo_messaging/_drivers/amqpdriver.py", line 645, in send
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc call_monitor_timeout, retry=retry)
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc File "/usr/lib/python3/dist-packages/oslo_messaging/_drivers/amqpdriver.py", line 636, in _send
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc raise result
neutron-openvswitch-agent.log:2020-01-14 16:21:31.674 456292 ERROR neutron.agent.rpc oslo_messaging.rpc.client.RemoteError: Remote error: InvalidTargetVersion Invalid target version 1.5