anchor.diff:  error_msg(F, A) -> 
       ?snmpa_error("NET-IF server: " ++ F, A).
   
  +warning_msg(F, A) -> 
  +    ?snmpa_warning("NET-IF server: " ++ F, A).
  +
   info_msg(F,A) ->
       ?snmpa_info("NET-IF server: " ++ F, A).
   
  
positive.code: 	_ ->
  	    loop(S)
      end.
  
  
  update_req_counter_incoming(
  
negative.code: 		    loop(S)
  	    end;
  
  	{udp_error, Socket, Error} when is_port(Socket) ->
  	    ?vinfo("got udp-error on ~p: ~w", [Socket, Error]),
  	    case lists:keyfind(Socket, #transport.socket, Transports) of
  		#transport{socket = Socket} = Transport ->
  		    loop(handle_udp_error(S, Transport, Error));
  		false ->
  		    loop(handle_udp_error_unknown(S, Socket, Error))
  	    end;
  
  	{info, ReplyRef, Pid} ->
  	    Info = get_info(S),
  	    Pid ! {ReplyRef, Info, self()},
  