Give neutron ports names: $HOSTNAME_$NETWORKNAME
Give neutron ports names: $HOSTNAME_$NETWORKNAME

Set the name property of neutron ports created for
composable networks to:
 $HOSTNAME_$NETWORKNAME

This is helpful when troubleshooting, a simple port
list will tell us what port and ip is assigned to the
different overcloud nodes.

Change-Id: I9d067654a81826d79574d17bd073747b2f59d114

openstack/tripleo-heat-templates,dprince/tripleo-heat-templates,dprince/tripleo-heat-templates,openstack/tripleo-heat-templates