Open Stack

> First of all I'd suggest checking `openstack network agent list` and ensure that lxb agent is present there up and healthy.
> Next I'd check nova-scheduler log (journalctl eventually) as it might have more insights.

linuxbridge agent is up and healthy and the nova-scheduler log doesn't
show any errors either

> Please check in neutron server logs for the problems with binding port

Indeed, running journalctl and grepping for the instance id shows an
error (last lines):

journalctl -u neutron-server -n 300 | grep
33c662c2-99d6-40fb-a716-118ad8b3b193

Nov 25 15:06:58 infra1-neutron-server-container-cbf4b105
neutron-server[88]: 2020-11-25 15:06:58.738 88 INFO neutron.wsgi
[req-e5b7df6c-bfde-438a-bbb1-f2713b63e16b
920e739127a14018a55fb4422b0885e7 0f14905dab5546e0adec2b56c0f6be88 -
default default] 192.168.110.128,192.168.110.201 "GET
/v2.0/ports?device_id=33c662c2-99d6-40fb-a716-118ad8b3b193 HTTP/1.1"
status: 200  len: 205 time: 0.3313231
Nov 25 15:07:04 infra1-neutron-server-container-cbf4b105
neutron-server[89]: 2020-11-25 15:07:04.782 89 INFO neutron.wsgi
[req-9bdadc77-27d9-4f9d-86b5-349b598b1ba4
eaf8235312004e2da519b54d196f5415 474b7aa9b7894d6782402135c6ef4c2a -
default default] 192.168.110.205,192.168.110.201 "GET
/v2.0/ports?tenant_id=0f14905dab5546e0adec2b56c0f6be88&device_id=33c662c2-99d6-40fb-a716-118ad8b3b193
HTTP/1.1" status: 200  len: 1084 time: 0.0956030
Nov 25 15:07:05 infra1-neutron-server-container-cbf4b105
neutron-server[89]: 2020-11-25 15:07:05.020 89 INFO
neutron.notifiers.nova [-] Nova event response: {'name':
'network-changed', 'server_uuid':
'33c662c2-99d6-40fb-a716-118ad8b3b193', 'tag':
'1e24a151-bd29-47f8-914b-05c66587541b', 'status': 'completed', 'code': 200}
Nov 25 15:07:05 infra1-neutron-server-container-cbf4b105
neutron-server[89]: 2020-11-25 15:07:05.781 89 INFO neutron.wsgi
[req-9b729386-4847-4be3-80fa-dce244435ddd
eaf8235312004e2da519b54d196f5415 474b7aa9b7894d6782402135c6ef4c2a -
default default] 192.168.110.205,192.168.110.201 "GET
/v2.0/ports?tenant_id=0f14905dab5546e0adec2b56c0f6be88&device_id=33c662c2-99d6-40fb-a716-118ad8b3b193
HTTP/1.1" status: 200  len: 1084 time: 0.1147285
Nov 25 15:12:12 infra1-neutron-server-container-cbf4b105
neutron-server[89]: 2020-11-25 15:12:12.445 89 INFO neutron.wsgi
[req-15cbcb76-04cd-4813-b1f9-d7f6596e14bf
920e739127a14018a55fb4422b0885e7 0f14905dab5546e0adec2b56c0f6be88 -
default default] 192.168.110.205,192.168.110.201 "GET
/v2.0/ports?device_id=33c662c2-99d6-40fb-a716-118ad8b3b193 HTTP/1.1"
status: 200  len: 1085 time: 0.4594653
Nov 25 15:12:14 infra1-neutron-server-container-cbf4b105
neutron-server[83]: 2020-11-25 15:12:14.453 83 WARNING
neutron.notifiers.nova [-] Nova event: {'server_uuid':
'33c662c2-99d6-40fb-a716-118ad8b3b193', 'name': 'network-vif-deleted',
'tag': '1e24a151-bd29-47f8-914b-05c66587541b', 'status': 'failed',
'code': 422} returned with failed status


Kind regards,
Oliver