fixing OPENSTACK-1570
fixing OPENSTACK-1570

As part of this openstack-bug, if user do
floatingip-associate from a FIP1<->PORT1(DOMAIN1)
to FIP1<->PORT2(DOMAIN2) we should allow  that.

Closes-Bug: OPENSTACK-1570

Change-Id: Ibd2d527bbf299e5b3f8018ab13fe8909204ef959

nuagenetworks/nuage-openstack-neutron,naveensan1/nuage-openstack-neutron,naveensan1/nuage-openstack-neutron,nuagenetworks/nuage-openstack-neutron