Comment 2 for bug 1984272

Also affecting octavia on uca focal-xena:

root@juju-2752e1-5-lxd-25:/var/log/octavia# tail octavia-driver-agent.log
2022-10-11 18:20:10.014 640 INFO octavia.cmd.driver_agent [-] Driver agent get listener process starts:
2022-10-11 18:20:10.123 640 INFO octavia.cmd.driver_agent [-] Started enabled provider agent: "ovn" with PID: 1424.
2022-10-11 18:20:12.772 1424 ERROR ovsdbapp.backend.ovs_idl.idlutils [-] Unable to open stream to tcp:127.0.0.1:6642 to retrieve schema: Connection refused
2022-10-11 18:20:13.774 1424 ERROR ovsdbapp.backend.ovs_idl.idlutils [-] Unable to open stream to tcp:127.0.0.1:6642 to retrieve schema: Connection refused
2022-10-11 18:20:15.777 1424 ERROR ovsdbapp.backend.ovs_idl.idlutils [-] Unable to open stream to tcp:127.0.0.1:6642 to retrieve schema: Connection refused
2022-10-11 18:20:19.778 1424 ERROR ovsdbapp.backend.ovs_idl.idlutils [-] Unable to open stream to tcp:127.0.0.1:6642 to retrieve schema: Connection refused
2022-10-11 18:20:27.786 1424 ERROR ovsdbapp.backend.ovs_idl.idlutils [-] Unable to open stream to tcp:127.0.0.1:6642 to retrieve schema: Connection refused
2022-10-11 18:20:43.847 1424 ERROR ovsdbapp.backend.ovs_idl.idlutils [-] Unable to open stream to tcp:127.0.0.1:6642 to retrieve schema: Connection refused
2022-10-11 18:21:15.890 1424 ERROR ovsdbapp.backend.ovs_idl.idlutils [-] Unable to open stream to tcp:127.0.0.1:6642 to retrieve schema: Connection refused
2022-10-11 18:22:19.955 1424 ERROR ovsdbapp.backend.ovs_idl.idlutils [-] Unable to open stream to tcp:127.0.0.1:6642 to retrieve schema: Connection refused