Open Stack

Hello Guys,
I've just upgraded from openstack queens to rocky and then to stein on
centos 7.
In my configuration I have router high availability.
After the upgrade I get the following errors on all my 3 controllers under
/var/log/neutron/l3-agent.log

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
2021-05-15 19:04:28.600 13219 WARNING neutron.agent.linux.external_process
[-] Respawning ip_monitor for uuid 8c137f17-52e6-47f9-bcaa-0eac94a9acd7
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
2021-05-15 19:04:29.905 13219 WARNING neutron.agent.linux.external_process
[-] Respawning ip_monitor for uuid 303c88e4-1c94-4ebc-b592-91063b371db9
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
2021-05-15 19:04:31.268 13219 WARNING neutron.agent.linux.external_process
[-] Respawning ip_monitor for uuid 103f3588-a775-4bca-b7a5-093a05068f64
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
2021-05-15 19:04:32.685 13219 WARNING neutron.agent.linux.external_process
[-] Respawning ip_monitor for uuid c6136e08-16a3-4d56-9440-59a7fe90d0b0
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
2021-05-15 19:04:34.140 13219 WARNING neutron.agent.linux.external_process
[-] Respawning ip_monitor for uuid 9abaad3a-2439-4036-8611-5f93a8a3501f


Getting for example the last uuid if I execute "openstack router show
openstack router show 9abaad3a-2439-4036-8611-5f93a8a3501f


+-------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Field                   | Value








                                |
+-------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| admin_state_up          | UP








                                 |
| availability_zone_hints |








                                |
| availability_zones      | nova








                                 |
| created_at              | 2020-12-17T10:11:24Z








                                 |
| description             |








                                |
| distributed             | False








                                |
| external_gateway_info   | None








                                 |
| flavor_id               | None








                                 |
| ha                      | True








                                 |
| id                      | 9abaad3a-2439-4036-8611-5f93a8a3501f








                                 |
| 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"}] |
| location                | Munch({'project': Munch({'domain_name': None,
'domain_id': None, 'name': None, 'id':
u'07573f587ceb4d9da007cec4ebc5dcf8'}), 'cloud': '', 'region_name': '',
'zone': None})






 |
| name                    | InternetGateway-a820a62fae-avz714-3-router








                                 |
| project_id              | 07573f587ceb4d9da007cec4ebc5dcf8








                                 |
| revision_number         | 11








                                 |
| routes                  | destination='0.0.0.0/0',
gateway='192.168.96.60'







                                                       |
|                         | destination='192.168.200.0/24',
gateway='192.168.96.60'







                                                |
|                         | destination='192.168.202.0/24',
gateway='192.168.96.58'







                                                |
|                         | destination='192.168.203.0/24',
gateway='192.168.96.57'







                                                |
| status                  | ACTIVE








                                 |
| tags                    |








                                |
| updated_at              | 2020-12-18T15:22:57Z








                                 |
+-------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+





Namespace for router exists in all 3 controllers.

Any idea, please ?

Ignazio
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