Octavia needs to talk to ovnsdb since ovn-octavia-provider 1.1.0[0], the charm is only configuring the information to talk to ovnndb.
This is what octavia-driver-agent daemon is logging on focal-yoga when ovn-chassis is related to octavia:
2022-06-29 22:08:14.306 139907 DEBUG ovn_octavia_provider.event [-] LogicalSwitchPortUpdateEvent logged, update, Logical_Switch_Port(uuid=UUID('72484a2d-41ce-4a5e-b9fe-1b935e257d63'), up=[True], name='e7c5e783-401f-4c0c-8418-1e306708e274', external_ids={'neutron:cidrs': 'fc00:2bbb:839b:eff4:f816:3eff:fe99:5c79/64', 'neutron:device_id': '', 'neutron:device_owner': 'neutron:LOADBALANCERV2', 'neutron:network_name': 'neutron-96a97ae1-b949-491b-b98e-2bbb839beff4', 'neutron:port_name': 'octavia-health-manager-octavia-0-listen-port', 'neutron:project_id': 'cf472f9e79a943e4bde50de35c5f98c0', 'neutron:revision_number': '138', 'neutron:security_group_ids': 'f600c8da-34c2-4eed-93d6-68f8dffeacd2'}, parent_name=[], options={'mcast_flood_reports': 'true', 'requested-chassis': 'juju-b53f99-zaza-bc1ca0e8242a-29.project.serverstack'}, ha_chassis_group=[], enabled=[True], type='', dhcpv6_options=[], port_security=['fa:16:3e:99:5c:79 fc00:2bbb:839b:eff4:f816:3eff:fe99:5c79'], tag_request=[], addresses=['fa:16:3e:99:5c:79 fc00:2bbb:839b:eff4:f816:3eff:fe99:5c79'], dynamic_addresses=[], dhcpv4_options=[], tag=[]) run /usr/lib/python3/dist-packages/ovn_octavia_provider/event.py:57
2022-06-29 22:08:15.281 139907 ERROR ovsdbapp.backend.ovs_idl.idlutils [-] Unable to open stream to tcp:127.0.0.1:6642 to retrieve schema: Connection refused
2022-06-29 22:08:19.287 139907 ERROR ovsdbapp.backend.ovs_idl.idlutils [-] Unable to open stream to tcp:127.0.0.1:6642 to retrieve schema: Connection refused
2022-06-29 22:08:27.299 139907 ERROR ovsdbapp.backend.ovs_idl.idlutils [-] Unable to open stream to tcp:127.0.0.1:6642 to retrieve schema: Connection refused
2022-06-29 22:08:43.317 139907 ERROR ovsdbapp.backend.ovs_idl.idlutils [-] Unable to open stream to tcp:127.0.0.1:6642 to retrieve schema: Connection refused
2022-06-29 22:09:15.345 139907 ERROR ovsdbapp.backend.ovs_idl.idlutils [-] Unable to open stream to tcp:127.0.0.1:6642 to retrieve schema: Connection refused
[0] https://opendev.org/openstack/ovn-octavia-provider/commit/8bbd8f1b
Fix proposed to branch: master /review. opendev. org/c/openstack /charm- octavia/ +/848297
Review: https:/