if (!end || end == arg || *end || res > 255)
--- a/include/uapi/linux/rtnetlink.h
+++ b/include/uapi/linux/rtnetlink.h
-@@ -221,6 +221,7 @@ enum {
+@@ -228,6 +228,7 @@ enum {
RTN_THROW, /* Not in this table */
RTN_NAT, /* Translate this address */
RTN_XRESOLVE, /* Use external resolver */