- interface notifier argument changed in 3.11 kernel. Add #ifdefs to accommodate that change
- interface notifier argument changed in 3.11 kernel. Add #ifdefs
to accommodate that change

Change-Id: Ieb1b0512c9531fe0e67a562c92f3c91d93c8d540

srajag/contrail-vrouter,varunarya10/contrail-vrouter,vpramo/contrail-vrouter,codilime/contrail-vrouter,codilime/contrail-vrouter,codilime/contrail-vrouter,varunarya10/contrail-vrouter,vpramo/contrail-vrouter,codilime/contrail-vrouter,srajag/contrail-vrouter,vpramo/contrail-vrouter,Juniper/contrail-dev-vrouter,Juniper/contrail-dev-vrouter,varunarya10/contrail-vrouter,srajag/contrail-vrouter,Juniper/contrail-dev-vrouter