anchor.diff:      OldList = last_msg_sent(State),
       NumToKeep = erlang:max(?NUM_KEEP - length(Msg), 0),
       NewList = Msg ++ lists:sublist(OldList, NumToKeep),
  -    State2 = set_time_last_msg_sent(State),
  +    State2 = set_time_last_msg_seen(State),
       State3 = inc_s_msg_count(State2, length(Msg)),
       setelement(19, State3, NewList).
   
  
positive.code: -spec set_last_stat_report(state(), stat_report()) -> state().
  set_last_stat_report(State, Val) -> setelement(13, State, Val).
  
  -spec time_last_msg_sent(state()) -> erlang:timestamp().
  time_last_msg_sent(State) -> element(14, State).
  -spec set_time_last_msg_sent(state()) -> state().
  set_time_last_msg_sent(State) -> setelement(14, State, os:timestamp()).
  
  -spec time_last_msg_received(state()) -> erlang:timestamp().
  time_last_msg_received(State) -> element(15, State).
  
negative.code:                 %% may fail, when tcp just closed
                  _ = inet:setopts(Socket, [{active, once}]),
                  State
          end,
      New2State = set_time_last_msg_seen(NewState),
      send_bundle_if_ready(New2State);
  
  on({tcp_closed, Socket}, State) ->
      log:log(warn,"[ CC ~p (~p) ] tcp closed", [self(), pid_groups:my_pidname()]),
  