diff --git a/libc/kernel/uapi/linux/neighbour.h b/libc/kernel/uapi/linux/neighbour.h
new file mode 100644
index 0000000..d84de0c
--- /dev/null
+++ b/libc/kernel/uapi/linux/neighbour.h
@@ -0,0 +1,154 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __LINUX_NEIGHBOUR_H
+#define __LINUX_NEIGHBOUR_H
+#include <linux/types.h>
+#include <linux/netlink.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct ndmsg {
+ __u8 ndm_family;
+ __u8 ndm_pad1;
+ __u16 ndm_pad2;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __s32 ndm_ifindex;
+ __u16 ndm_state;
+ __u8 ndm_flags;
+ __u8 ndm_type;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+enum {
+ NDA_UNSPEC,
+ NDA_DST,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ NDA_LLADDR,
+ NDA_CACHEINFO,
+ NDA_PROBES,
+ NDA_VLAN,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ NDA_PORT,
+ NDA_VNI,
+ NDA_IFINDEX,
+ __NDA_MAX
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+#define NDA_MAX (__NDA_MAX - 1)
+#define NTF_USE 0x01
+#define NTF_PROXY 0x08
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define NTF_ROUTER 0x80
+#define NTF_SELF 0x02
+#define NTF_MASTER 0x04
+#define NUD_INCOMPLETE 0x01
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define NUD_REACHABLE 0x02
+#define NUD_STALE 0x04
+#define NUD_DELAY 0x08
+#define NUD_PROBE 0x10
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define NUD_FAILED 0x20
+#define NUD_NOARP 0x40
+#define NUD_PERMANENT 0x80
+#define NUD_NONE 0x00
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct nda_cacheinfo {
+ __u32 ndm_confirmed;
+ __u32 ndm_used;
+ __u32 ndm_updated;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u32 ndm_refcnt;
+};
+struct ndt_stats {
+ __u64 ndts_allocs;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 ndts_destroys;
+ __u64 ndts_hash_grows;
+ __u64 ndts_res_failed;
+ __u64 ndts_lookups;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 ndts_hits;
+ __u64 ndts_rcv_probes_mcast;
+ __u64 ndts_rcv_probes_ucast;
+ __u64 ndts_periodic_gc_runs;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u64 ndts_forced_gc_runs;
+};
+enum {
+ NDTPA_UNSPEC,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ NDTPA_IFINDEX,
+ NDTPA_REFCNT,
+ NDTPA_REACHABLE_TIME,
+ NDTPA_BASE_REACHABLE_TIME,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ NDTPA_RETRANS_TIME,
+ NDTPA_GC_STALETIME,
+ NDTPA_DELAY_PROBE_TIME,
+ NDTPA_QUEUE_LEN,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ NDTPA_APP_PROBES,
+ NDTPA_UCAST_PROBES,
+ NDTPA_MCAST_PROBES,
+ NDTPA_ANYCAST_DELAY,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ NDTPA_PROXY_DELAY,
+ NDTPA_PROXY_QLEN,
+ NDTPA_LOCKTIME,
+ NDTPA_QUEUE_LENBYTES,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __NDTPA_MAX
+};
+#define NDTPA_MAX (__NDTPA_MAX - 1)
+struct ndtmsg {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 ndtm_family;
+ __u8 ndtm_pad1;
+ __u16 ndtm_pad2;
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct ndt_config {
+ __u16 ndtc_key_len;
+ __u16 ndtc_entry_size;
+ __u32 ndtc_entries;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u32 ndtc_last_flush;
+ __u32 ndtc_last_rand;
+ __u32 ndtc_hash_rnd;
+ __u32 ndtc_hash_mask;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u32 ndtc_hash_chain_gc;
+ __u32 ndtc_proxy_qlen;
+};
+enum {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ NDTA_UNSPEC,
+ NDTA_NAME,
+ NDTA_THRESH1,
+ NDTA_THRESH2,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ NDTA_THRESH3,
+ NDTA_CONFIG,
+ NDTA_PARMS,
+ NDTA_STATS,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ NDTA_GC_INTERVAL,
+ __NDTA_MAX
+};
+#define NDTA_MAX (__NDTA_MAX - 1)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#endif