Index: /trunk/src/VBox/NetworkServices/NAT/portfwd.c
===================================================================
--- /trunk/src/VBox/NetworkServices/NAT/portfwd.c	(revision 68618)
+++ /trunk/src/VBox/NetworkServices/NAT/portfwd.c	(revision 68619)
@@ -88,4 +88,5 @@
     msg = (struct portfwd_msg *)malloc(sizeof(*msg));
     if (msg == NULL) {
+        DPRINTF0(("%s: failed to allocate message\n", __func__));
         return -1;
     }