if (!end || end == arg || *end || res > 255)
--- a/include/uapi/linux/rtnetlink.h
+++ b/include/uapi/linux/rtnetlink.h
-@@ -235,6 +235,7 @@ enum {
+@@ -242,6 +242,7 @@ enum {
RTN_THROW, /* Not in this table */
RTN_NAT, /* Translate this address */
RTN_XRESOLVE, /* Use external resolver */