Comment 3 for bug 1995287

And additionally that in neutron-server:
2022-11-02 10:01:19.725 50 WARNING neutron.api.rpc.handlers.dhcp_rpc [req-ba479896-8e2d-4dbb-bb3a-cbb62257ed72 - - - - -] The DHCP agent on kef1p-phycon0002 does not host the network a56b71cc-2220-479d-97a5-082b722e9e4c.

The network itself exists:

  % openstack network show a56b71cc-2220-479d-97a5-082b722e9e4c !4221
+---------------------------+--------------------------------------+
| Field | Value |
+---------------------------+--------------------------------------+
| admin_state_up | UP |
| availability_zone_hints | |
| availability_zones | |
| created_at | 2021-06-29T07:14:50Z |
| description | |
| dns_domain | compute.sms-lab.cloud. |
| id | a56b71cc-2220-479d-97a5-082b722e9e4c |
| ipv4_address_scope | None |
| ipv6_address_scope | None |
| is_default | None |
| is_vlan_transparent | None |
| mtu | 1500 |
| name | stackhpc-ipv4-vlan-v2 |
| port_security_enabled | True |
| project_id | 96f3ea773bb94bdba912ba2af1a9a5c6 |
| provider:network_type | vlan |
| provider:physical_network | physnet1 |
| provider:segmentation_id | 209 |
| qos_policy_id | None |
| revision_number | 11 |
| router:external | Internal |
| segments | None |
| shared | False |
| status | ACTIVE |
| subnets | 39fee5c2-c38c-4050-9578-711c76cc0e5a |
| tags | |
| updated_at | 2021-07-13T08:10:21Z |
+---------------------------+--------------------------------------+