anchor.diff:      BadMsg = #ofp_message{type = not_a_valid_message, version = 4},
       R = of_driver:send_list(Connection, [GoodMsg, BadMsg]),
       ?assertMatch({error, [ok, {error, {bad_message, _}}]}, R),
  -    {#ofp_message{type = features_request, xid = RXID}, <<>>} = receive_msg(Socket, <<>>).
  +    {#ofp_message{type = features_request}, <<>>} = receive_msg(Socket, <<>>).
   
   sync_send_list_bad_message({Socket, ConnTable}) ->
       Connection = get_connection(ConnTable),
       GoodMsg = of_msg_lib:get_features(4),
       BadMsg = #ofp_message{type = not_a_valid_message, version = 4},
       Future = future(of_driver, sync_send_list, [Connection, [GoodMsg, BadMsg]]),
  -    {#ofp_message{type = features_request, xid = RXID}, Rest} = receive_msg(Socket, <<>>),
  +    {#ofp_message{type = features_request}, Rest} = receive_msg(Socket, <<>>),
       {#ofp_message{type = barrier_request, xid = BXID}, <<>>} = receive_msg(Socket, Rest),
       send_msg(Socket, barrier_reply(BXID)),
       Reply = wait_future(Future),
  
positive.code: -define(LISTEN_PORT, 15578).
  -define(DATAPATH_ID, 0).
  -define(DATAPATH_MAC, <<8,0,39,150,212,121>>).
  
  %%------------------------------------------------------------------------------
  
  
negative.code:                                   ,{"sync_send_list", fun sync_send_list/1}
                                    ,{"sync_send_list_no_reply", fun sync_send_list_no_reply/1}
                                    ,{"multiple_sync_send", fun multiple_sync_send/1}
                                    ,{"send_unsupported_version", fun send_unsupported_version/1}
                                    ,{"sync_send_unsupported_version", fun sync_send_unsupported_version/1}
                                    ,{"send_bad_message", fun send_bad_message/1}
                                    ,{"sync_send_bad_message", fun sync_send_bad_message/1}
                                    ,{"send_list_bad_message", fun send_list_bad_message/1}
  