filter vip usage, ipv6 vips cause invalid rules because a empty item gets added to the vips list for a interface
(cherry picked from commit c6ebe69d2c0838bc76957b22f98547311c68e700)
filter vip usage, ipv6 vips cause invalid rules because a empty item gets added to the vips list for a interface
(cherry picked from commit c6ebe69d2c0838bc76957b22f98547311c68e700)