--- src/sys/netinet6/in6_ifattach.c	2006/12/22 23:57:53	1.18
+++ src/sys/netinet6/in6_ifattach.c	2007/08/16 20:03:58	1.19
@@ -714,6 +714,7 @@ in6_ifattach(struct ifnet *ifp,
 #endif
 	case IFT_PFLOG:
 	case IFT_PFSYNC:
+	case IFT_CARP:
 		return;
 	}