deploy new octavia unit (assumes an HA setup)
remove octavia unit hosting the failing ovn-controller
login to ovn-central hosting the leader for the southbound database
ovn-sbctl show |grep 21-lxd-9
ovn-sbctl chassis-del <chassis name>
logout
juju run -a neutron-api 'service neutron-server restart'
Reduced severity to field-high. Workaround:
deploy new octavia unit (assumes an HA setup)
remove octavia unit hosting the failing ovn-controller
login to ovn-central hosting the leader for the southbound database
ovn-sbctl show |grep 21-lxd-9
ovn-sbctl chassis-del <chassis name>
logout
juju run -a neutron-api 'service neutron-server restart'