anchor.diff:  handle_info({gun_up, Gun, http}, #{docker := Gun} = State) ->
       {noreply,
        State#{
  -       info => gun:get(Gun, "/info"),
  -       networks => gun:get(Gun, "/networks"),
  -       containers => gun:get(Gun, "/containers/json"),
  -       events => gun:get(Gun, "/events")
  +       info => gun:get(Gun, "/info")
         }};
   
   handle_info({gun_down, Gun, http, normal, [], []}, #{docker := Gun} = State) ->
       {noreply, State};
   
  -handle_info({gun_data, _, Info, fin, Data},
  +handle_info({gun_data, Gun, Info, fin, Data},
               #{info := Info,
                 partial := Partial,
                 host := Host} = State) ->
  
positive.code:                 {ok, Address} ->
                      register_docker_a(Id, Address),
                      {noreply,
                       maps:without([info], State#{id => Id,
                                           start_time => StartTime,
                                                   partial => <<>>})};
  
                  {error, einval} ->
                      case inet:gethostbyname(Host) of
  
negative.code:     case jsx:decode(<<Partial/binary, Data/binary>>, [return_maps]) of
  
          #{<<"ID">> := <<>>} ->
              {noreply,
               maps:without(
                 [info],
                 State#{start_time => haystack_date:right_now(),
                        partial => <<>>,
                        networks => gun:get(Gun, "/networks")})};
  
          #{<<"ID">> := Id,
            <<"SystemTime">> := SystemTime} ->
  