When creating a Neutron port the value of ``binding:host_id`` needs
to match the host identity of the Neutron OpenvSwitch subordinate.
Depends-On: I3b11eec3f1c4b8a673ccb6f9e6320d79dbde8f7a
Change-Id: I6bec4c5a5dade1295414ff8eefc070e2e8127f37
Closes-Bug: #1845303