<div dir="ltr"><div>Hello Guys,</div><div>I've just upgraded from openstack queens to rocky and then to stein on centos 7.</div><div>In my configuration I have router high availability.</div><div>After the upgrade I get the following errors on all my 3 controllers under /var/log/neutron/l3-agent.log</div><div><br></div><div>2021-05-15 19:04:28.599 13219 ERROR neutron.agent.linux.external_process [-] ip_monitor for router with uuid 8c137f17-52e6-47f9-bcaa-0eac94a9acd7 not found. The process should not have died<br>2021-05-15 19:04:28.600 13219 WARNING neutron.agent.linux.external_process [-] Respawning ip_monitor for uuid 8c137f17-52e6-47f9-bcaa-0eac94a9acd7<br>2021-05-15 19:04:29.905 13219 ERROR neutron.agent.linux.external_process [-] ip_monitor for router with uuid 303c88e4-1c94-4ebc-b592-91063b371db9 not found. The process should not have died<br>2021-05-15 19:04:29.905 13219 WARNING neutron.agent.linux.external_process [-] Respawning ip_monitor for uuid 303c88e4-1c94-4ebc-b592-91063b371db9<br>2021-05-15 19:04:31.267 13219 ERROR neutron.agent.linux.external_process [-] ip_monitor for router with uuid 103f3588-a775-4bca-b7a5-093a05068f64 not found. The process should not have died<br>2021-05-15 19:04:31.268 13219 WARNING neutron.agent.linux.external_process [-] Respawning ip_monitor for uuid 103f3588-a775-4bca-b7a5-093a05068f64<br>2021-05-15 19:04:32.684 13219 ERROR neutron.agent.linux.external_process [-] ip_monitor for router with uuid c6136e08-16a3-4d56-9440-59a7fe90d0b0 not found. The process should not have died<br>2021-05-15 19:04:32.685 13219 WARNING neutron.agent.linux.external_process [-] Respawning ip_monitor for uuid c6136e08-16a3-4d56-9440-59a7fe90d0b0<br>2021-05-15 19:04:34.140 13219 ERROR neutron.agent.linux.external_process [-] ip_monitor for router with uuid 9abaad3a-2439-4036-8611-5f93a8a3501f not found. The process should not have died<br>2021-05-15 19:04:34.140 13219 WARNING neutron.agent.linux.external_process [-] Respawning ip_monitor for uuid 9abaad3a-2439-4036-8611-5f93a8a3501f</div><div><br></div><div><br></div><div>Getting for example the last uuid if I execute "openstack router show  openstack router show 9abaad3a-2439-4036-8611-5f93a8a3501f</div><div><br></div><div><br></div><div>+-------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+<br>| Field                   | Value                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |<br>+-------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+<br>| admin_state_up          | UP                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |<br>| availability_zone_hints |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |<br>| availability_zones      | nova                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |<br>| created_at              | 2020-12-17T10:11:24Z                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |<br>| description             |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |<br>| distributed             | False                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |<br>| external_gateway_info   | None                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |<br>| flavor_id               | None                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |<br>| ha                      | True                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |<br>| id                      | 9abaad3a-2439-4036-8611-5f93a8a3501f                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |<br>| interfaces_info         | [{"subnet_id": "a60b631d-d13c-4d02-a51b-2c86c0b38614", "ip_address": "192.168.201.1", "port_id": "08120fb0-be86-47a0-afd6-932801a2d194"}, {"subnet_id": "0ffcb170-66bb-4e65-9df0-80052deb1299", "ip_address": "169.254.192.11", "port_id": "3aa676aa-91cc-43c4-87ea-3b93340950ad"}, {"subnet_id": "0ffcb170-66bb-4e65-9df0-80052deb1299", "ip_address": "169.254.192.21", "port_id": "d5c0cff2-363d-470a-b77c-155d06e2654b"}, {"subnet_id": "0ffcb170-66bb-4e65-9df0-80052deb1299", "ip_address": "169.254.192.3", "port_id": "dab50b1a-d720-410a-b358-20c53a097bd7"}, {"subnet_id": "ae117b0e-fce9-42ca-88b3-a32ba239d795", "ip_address": "192.168.96.59", "port_id": "e49945aa-3e71-4f38-8c76-1c246cf18ff6"}] |<br>| location                | Munch({'project': Munch({'domain_name': None, 'domain_id': None, 'name': None, 'id': u'07573f587ceb4d9da007cec4ebc5dcf8'}), 'cloud': '', 'region_name': '', 'zone': None})                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |<br>| name                    | InternetGateway-a820a62fae-avz714-3-router                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |<br>| project_id              | 07573f587ceb4d9da007cec4ebc5dcf8                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |<br>| revision_number         | 11                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |<br>| routes                  | destination='<a href="http://0.0.0.0/0">0.0.0.0/0</a>', gateway='192.168.96.60'                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |<br>|                         | destination='<a href="http://192.168.200.0/24">192.168.200.0/24</a>', gateway='192.168.96.60'                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |<br>|                         | destination='<a href="http://192.168.202.0/24">192.168.202.0/24</a>', gateway='192.168.96.58'                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |<br>|                         | destination='<a href="http://192.168.203.0/24">192.168.203.0/24</a>', gateway='192.168.96.57'                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |<br>| status                  | ACTIVE                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |<br>| tags                    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |<br>| updated_at              | 2020-12-18T15:22:57Z                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |<br>+-------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div>Namespace for router exists in all 3 controllers.</div><div><br></div><div>Any idea, please ?</div><div><br></div><div>Ignazio</div><div><br></div></div>