diff --git a/core/net/uip6.c b/core/net/uip6.c
index a9d28b0b6..832a25627 100644
--- a/core/net/uip6.c
+++ b/core/net/uip6.c
@@ -41,7 +41,7 @@
  *
  * This file is part of the uIP TCP/IP stack.
  *
- * $Id: uip6.c,v 1.3 2008/10/14 13:39:12 julienabeille Exp $
+ * $Id: uip6.c,v 1.4 2009/03/10 08:00:59 julienabeille Exp $
  *
  */
 
@@ -1052,16 +1052,23 @@ uip_process(u8_t flag)
     UIP_LOG("ip: packet shorter than reported in IP header.");
     goto drop;
   }
-   
+  
+  PRINTF("IPv6 packet received from ");
+  PRINT6ADDR(&UIP_IP_BUF->srcipaddr);
+  PRINTF(" to ");
+  PRINT6ADDR(&UIP_IP_BUF->destipaddr);
+  PRINTF("\n");
 
   if(uip_is_addr_mcast(&UIP_IP_BUF->srcipaddr)){
     UIP_STAT(++uip_stat.ip.drop);
+    PRINTF("Dropping packet, src is mcast\n");
     goto drop;
   }
       
   if(!uip_netif_is_addr_my_unicast(&UIP_IP_BUF->destipaddr) &&
      !uip_netif_is_addr_my_solicited(&UIP_IP_BUF->destipaddr) &&
      !uip_is_addr_linklocal_allnodes_mcast(&UIP_IP_BUF->destipaddr)){
+    PRINTF("Dropping packet, not for me\n");
     UIP_STAT(++uip_stat.ip.drop);
     goto drop;
   }