diff --git a/libc/kernel/uapi/linux/neighbour.h b/libc/kernel/uapi/linux/neighbour.h
index 278f7d1..b5dcf2e 100644
--- a/libc/kernel/uapi/linux/neighbour.h
+++ b/libc/kernel/uapi/linux/neighbour.h
@@ -46,6 +46,8 @@
   NDA_NH_ID,
   NDA_FDB_EXT_ATTRS,
   NDA_FLAGS_EXT,
+  NDA_NDM_STATE_MASK,
+  NDA_NDM_FLAGS_MASK,
   __NDA_MAX
 };
 #define NDA_MAX (__NDA_MAX - 1)