Port: Added validation for checking if the specified ip is inside the specific subnet and the Ip is not a broadcast ip. The validation was failing in edit case Added some more validation on top of it.
Port:
Added validation for checking if the specified ip is inside the specific subnet
and the Ip is not a broadcast ip.
The validation was failing in edit case Added some more validation on top of it.

Change-Id: I1b831f9d188afe3089c420ce7768e5e0464db96f
Closes-Bug: #1403437

biswajit-mandal/contrail-web-controller,biswajit-mandal/contrail-web-controller,vishnuvv/contrail-web-controller,vishnuvv/contrail-web-controller,JioCloud/contrail-web-controller,varunarya10/contrail-web-controller,vishnuvv/contrail-web-controller,sbavanasi/contrail-web-controller,sbavanasi/contrail-web-controller,skizhak/contrail-web-controller,sbavanasi/contrail-web-controller,biswajit-mandal/contrail-web-controller