--- bind-9.4.0/lib/isc/unix/ifiter_getifaddrs.c.org	2007-03-08 13:28:25.234354162 +0100
+++ bind-9.4.0/lib/isc/unix/ifiter_getifaddrs.c	2007-03-08 13:29:02.205146577 +0100
@@ -111,7 +111,9 @@
 
 	INSIST(ifa != NULL);
 	INSIST(ifa->ifa_name != NULL);
-	INSIST(ifa->ifa_addr != NULL);
+
+	if (ifa->ifa_addr == NULL)
+		return (ISC_R_IGNORE);
 
 	family = ifa->ifa_addr->sa_family;
 	if (family != AF_INET && family != AF_INET6)