Fix for https://bugs.launchpad.net/juniperopenstack/+bug/1372262 a separate port list of link local services in Vrouter, which will be loked up before handing over the packet to Flow processing after Receive NH. If the lookup fails, packet will not be subjected to any flow processing leading to a better perforance for Vhost non-link local packets. This database is built using flow entry addition by Agent

Change-Id: Iab701c55a7a0dbffc2d4a72f76b33c3c2717b9c2