We have flags to configure log levels[1][2] in ovn northd and ovn-dbs. But ovn-controller don't have any such option, it will be good to have such an option for those too.

For temporary log level switch can do it with ovs-appctl command, with pod restart it will reset.

[1] https://github.com/openstack-k8s-operators/ovn-operator/blob/7466d5a41be18f71609b092288bd906975b1632d/api/v1beta1/ovnnorthd_types.go#L62

 [2] https://github.com/openstack-k8s-operators/ovn-operator/blob/7466d5a41be18f71609b092288bd906975b1632d/api/v1beta1/ovndbcluster_types.go#L86