Adding IPv6 test
Adding IPv6 test

atomx/memberlist,atomx/memberlist,oldmantaiter/memberlist,aybabtme/memberlist,rbg/memberlist,jsternberg/memberlist,jsternberg/memberlist,oldmantaiter/memberlist,aybabtme/memberlist,42wim/memberlist,hashicorp/memberlist,hashicorp/memberlist,rbg/memberlist,42wim/memberlist