Collect ovn/ovs logs in singlenode jobs
Collect ovn/ovs logs in singlenode jobs

ovs/ovn logs missing from some jobs, collect
these as these helpful when debugging issues.

Change-Id: If6fa5407bfd0eb43072aa7662a631295d81db40f

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