[DM]: Fix for channelized Interfaces
[DM]: Fix for channelized Interfaces

JUNOS channelized interface will have format xe-0/0/0:1
api-server replaces char ':' with __ in name field, hence use display_name

Change-Id: I4e2a377dc41a2551789d3b26d83d8d4ec7032d4f
Closes-Bug: #1712909

rombie/contrail-controller,nischalsheth/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,nischalsheth/contrail-controller,nischalsheth/contrail-controller,nischalsheth/contrail-controller,rombie/contrail-controller,eonpatapon/contrail-controller,rombie/contrail-controller,eonpatapon/contrail-controller,eonpatapon/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,eonpatapon/contrail-controller,eonpatapon/contrail-controller,nischalsheth/contrail-controller,rombie/contrail-controller,rombie/contrail-controller