Fix agent crash on Xen platform triggered due to creation of VN object for LinkLocalVN. Added UT for the same
Change-Id: I02ed66c38f35e178a808a8cc2a4b413fc4a536fa
Merge "Fix agent crash on Xen platform triggered due to creation of VN object for LinkLocalVN. Added UT for the same Change-Id: I02ed66c38f35e178a808a8cc2a4b413fc4a536fa" into R1.06