Index: uspace/srv/net/udp/udp_inet.c
===================================================================
--- uspace/srv/net/udp/udp_inet.c	(revision a2e3ee6092cd450ed63e80fa45ddb46a740aa02c)
+++ uspace/srv/net/udp/udp_inet.c	(revision 4edd71f6c3381737a266e52c493e0ccd239b8640)
@@ -84,4 +84,5 @@
 	log_msg(LOG_DEFAULT, LVL_DEBUG, "udp_transmit_pdu()");
 
+	dgram.iplink = pdu->iplink;
 	dgram.src = pdu->src;
 	dgram.dest = pdu->dest;