Fix the 'undefined function' call

src/emqx_listeners.erl

@@ -176,5 +176,5 @@ format(Port) when is_integer(Port) ->
 format({Addr, Port}) when is_list(Addr) ->
     io_lib:format("~s:~w", [Addr, Port]);
 format({Addr, Port}) when is_tuple(Addr) ->
-    io_lib:format("~s:~w", [inet:ntoab(Addr), Port]).
+    io_lib:format("~s:~w", [inet:ntoa(Addr), Port]).
 

src/emqx_sys_mon.erl

@@ -177,7 +177,7 @@ suppress(Key, SuccFun, State = #{events := Events}) ->
     end.
 
 procinfo(Pid) ->
-    case {emqx_vm:get_process_info(Pid), emqx_vm:get_process_gc(Pid)} of
+    case {emqx_vm:get_process_info(Pid), emqx_vm:get_process_gc_info(Pid)} of
         {undefined, _} -> undefined;
         {_, undefined} -> undefined;
         {Info, GcInfo} -> Info ++ GcInfo