anchor.diff:      receive
       after 3000 -> ok
       end,
  +    ?P("test_prio_accept_async -> connect to port ~p", [Port]),
       Sock2 = case ?CONNECT(Config, "localhost",Port,[binary,{packet,0},
                                                      {active,false},
                                                      {reuseaddr,true},
  
positive.code:                 {error, eaddrnotavail = Reason} ->
                      ?SKIPT(connect_failed_str(Reason))
              end,
      receive
          {Ref,{ok,[{priority,4},{tos,Tos1}]}} ->
              ok;
  
negative.code: 	    test_prio_accept_async(Config),
  	    test_prio_fail(Config),
  	    test_prio_udp(),
              ?P("done"),
  	    ok;
  	_ ->
  	    case os:type() of
  