anchor.diff:  	recv_event(log_ok(gen_sctp:recv(Sb, infinity))),
       ?line ok = gen_sctp:close(Sa),
       ?line ok = gen_sctp:close(Sb),
  -    
  +
       ?line receive
   	      Msg -> test_server:fail({received,Msg})
   	  after 17 -> ok
  
positive.code:     ?line ?LOGVAR(S2Ai),
      ?line S1Ai =
  	receive
  	      {S1,{Addr,P2,
  		   #sctp_assoc_change{
  			  state=comm_up,
  			  assoc_id=AssocId1}}} -> AssocId1
  	after Timeout ->
  		socket_bailout([S1,S2])
  	end,
  
negative.code:     ?line {ok,Sb} = gen_sctp:open([{type,seqpacket}]),
      ?line {ok,Pb} = inet:port(Sb),
      ?line ok = gen_sctp:listen(Sb, true),
  
      ?line {ok,Sa} = gen_sctp:open(),
      ?line {ok,Pa} = inet:port(Sa),
      ?line {ok,#sctp_assoc_change{state=comm_up,
  