Public bug reported:
Boot order of openvswitch and ifupdown scripts to bring up interface
definitions specified for OVS in /etc/network/interfaces are wrong
again. The ifupdown scripts try to bring up ovs interfaces before OVS is
actually running which results in failure and the interfaces
The OVS and ifupdown boot order is broken again in Bionic. Why the whole
openvswitch-nonetwork.service unit was removed from Bionic without
appropriate substitute? We have currently fixed it by modifying
openvswitch-switch.service ovs-vswitchd.service and ovsdb-server.service
units by moving