functional: Add debug messages around OVN services
functional: Add debug messages around OVN services

This patch is to help understand LP bug 1938766.

Change-Id: I90a130830a6a76cd68adfb6503bb268a60d7de20

openstack/neutron,openstack/neutron,mahak/neutron,mahak/neutron,openstack/neutron,mahak/neutron