diff --git a/apps/sdlan/src/sdlan_network.erl b/apps/sdlan/src/sdlan_network.erl
index 13a13b4..394603d 100644
--- a/apps/sdlan/src/sdlan_network.erl
+++ b/apps/sdlan/src/sdlan_network.erl
@@ -348,6 +348,7 @@ handle_cast({update_hole, SessionToken, ClientId, Mac, Peer, NatType, V6Info}, S
                     mac = Mac,
                     ip = Ip
                 }),
+                logger:debug("[sdlan_network] client_id: ~p(~p), hole changed", [ClientId, Ip]),
                 broadcast(fun(#endpoint{channel_pid = ChannelPid}) ->
                     sdlan_quic_channel:send_event(ChannelPid, ?PACKET_EVENT_NAT_CHANGED, NatChangedEvent)
                           end, [Mac], Endpoints)
diff --git a/apps/sdlan/src/sdlan_stun.erl b/apps/sdlan/src/sdlan_stun.erl
index d209f6a..3a9c91a 100644
--- a/apps/sdlan/src/sdlan_stun.erl
+++ b/apps/sdlan/src/sdlan_stun.erl
@@ -105,12 +105,8 @@ handle_info({udp, Sock, Ip, Port, <<?PACKET_STUN_REQUEST:8, Body/binary>>}, Stat
         StunReply = sdlan_pb:encode_msg(#sdl_stun_reply{
             cookie = Cookie
         }),
-
-
-        logger:debug("[sdlan_stun] xyz, reply size: ~p", [byte_size(StunReply)]),
-
         ok = gen_udp:send(Sock, Ip, Port, <<?PACKET_STUN_REPLY:8, StunReply/binary>>),
-        logger:debug("[sdlan_stun] stun_request network_id: ~p, client_id: ~p, hole: ~p, bytes: ~p", [NetworkId, ClientId, {Ip, Port}, byte_size(<<?PACKET_STUN_REPLY, StunReply/binary>>)])
+        logger:debug("[sdlan_stun] stun_request network_id: ~p, client_id: ~p, hole: ~p", [NetworkId, ClientId, {Ip, Port}])
     end,
     {noreply, State};