pex: do not query for hosts with a gateway

If we're not the gateway, we don't care about the result
If we are the gateway, nobody else will have the answer

Signed-off-by: Felix Fietkau <[email protected]>

Author: nbd168

pex.c

@@ -344,7 +344,7 @@ network_pex_query_hosts(struct network *net)
 		void *id;
 
 		if ((net->stun.port_ext && host == net->net_config.local_host) ||
-		    peer->state.connected || peer->endpoint)
+		    peer->state.connected || peer->endpoint || host->gateway)
 			continue;
 
 		id = pex_msg_append(PEX_ID_LEN);