diff -urN x/net/ipv4/ip_output.c y/net/ipv4/ip_output.c
--- x/net/ipv4/ip_output.c	2005-03-10 20:08:47.000000000 +1100
+++ y/net/ipv4/ip_output.c	2005-03-10 20:11:49.000000000 +1100
@@ -405,6 +405,7 @@
 	to->priority = from->priority;
 	to->protocol = from->protocol;
 	to->security = from->security;
+	dst_release(to->dst);
 	to->dst = dst_clone(from->dst);
 	to->dev = from->dev;
 
diff -urN x/net/ipv6/ip6_output.c y/net/ipv6/ip6_output.c
--- x/net/ipv6/ip6_output.c	2005-03-10 20:08:47.000000000 +1100
+++ y/net/ipv6/ip6_output.c	2005-03-10 20:11:48.000000000 +1100
@@ -465,6 +465,7 @@
 	to->priority = from->priority;
 	to->protocol = from->protocol;
 	to->security = from->security;
+	dst_release(to->dst);
 	to->dst = dst_clone(from->dst);
 	to->dev = from->dev;