BgpRouter IP is not updated when VMI instance ip is changed.
BgpRouter IP is not updated when VMI instance ip is changed.

Change-Id: I9146caf849f41e439f9fb1204973488c3fe2381a
Closes-Bug: #1538322

eonpatapon/contrail-controller,tcpcloud/contrail-controller,eonpatapon/contrail-controller,eonpatapon/contrail-controller,rombie/contrail-controller,sajuptpm/contrail-controller,codilime/contrail-controller,eonpatapon/contrail-controller,rombie/contrail-controller,codilime/contrail-controller,eonpatapon/contrail-controller,codilime/contrail-controller,nischalsheth/contrail-controller,nischalsheth/contrail-controller,nischalsheth/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,rombie/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,tcpcloud/contrail-controller,sajuptpm/contrail-controller,eonpatapon/contrail-controller,codilime/contrail-controller,tcpcloud/contrail-controller,sajuptpm/contrail-controller,rombie/contrail-controller,eonpatapon/contrail-controller,tcpcloud/contrail-controller,rombie/contrail-controller,codilime/contrail-controller,nischalsheth/contrail-controller,sajuptpm/contrail-controller,codilime/contrail-controller,tcpcloud/contrail-controller,nischalsheth/contrail-controller,sajuptpm/contrail-controller,tcpcloud/contrail-controller,nischalsheth/contrail-controller,sajuptpm/contrail-controller