anchor.diff:  implicit_inet6(Config) when is_list(Config) ->
       ?P("begin"),
       Hostname = log_ok(inet:gethostname()),
  -    ?P("try create (listen) socket"),
  +    ?P("try create socket"),
       case gen_sctp:open(0, [inet6]) of
   	{ok, S1} ->
   	    case inet:getaddr(Hostname, inet6) of
  
positive.code:     ok = inet:setopts(S, [{sndbuf,Sndbuf}]),
      ok = inet:setopts(S, [{recbuf,Recbuf}]),
      case inet:getopts(S, [sndbuf]) of
  	{ok,[{sndbuf,SB}]} when SB >= Sndbuf -> ok
      end,
      case inet:getopts(S, [recbuf]) of
  	{ok, [{recbuf, RB}]} when (RB >= Recbuf) -> ok
  
negative.code:                "UNEXPECTED ADDRESS: "
                 "~n   UNEXPECTED Address: ~p, ~p"
                 "~n   Expected Address:   ~p, ~p"
                 "~n   PeerName:           ~p"
                 "~n   => RETRY"
                 "~n", [Addr2, PortNo2, Addr, PortNo, case inet:peername(Sock) of
                                                          {ok, PeerAP} ->
                                                              PeerAP;
                                                          {error, _} = PeerE ->
                                                              PeerE
                                                      end]),
              implicit_inet6_await_ac_comm_up(Sock, Addr, PortNo, OsName);
  
  	{Addr2, PortNo2, #sctp_assoc_change{state = comm_up}} = UNEX ->
  