diff --git a/libc/kernel/uapi/linux/l2tp.h b/libc/kernel/uapi/linux/l2tp.h
index b51e953..fd247fd 100644
--- a/libc/kernel/uapi/linux/l2tp.h
+++ b/libc/kernel/uapi/linux/l2tp.h
@@ -21,141 +21,150 @@
 #include <linux/types.h>
 #include <linux/socket.h>
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#include <netinet/in.h>
+#include <linux/in.h>
+#include <linux/in6.h>
 #define IPPROTO_L2TP 115
 #define __SOCK_SIZE__ 16
-struct sockaddr_l2tpip {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct sockaddr_l2tpip {
   __kernel_sa_family_t l2tp_family;
   __be16 l2tp_unused;
   struct in_addr l2tp_addr;
-  __u32 l2tp_conn_id;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-  unsigned char __pad[sizeof(struct sockaddr) - sizeof(__kernel_sa_family_t) - sizeof(__be16) - sizeof(struct in_addr) - sizeof(__u32)];
+  __u32 l2tp_conn_id;
+  unsigned char __pad[__SOCK_SIZE__ - sizeof(__kernel_sa_family_t) - sizeof(__be16) - sizeof(struct in_addr) - sizeof(__u32)];
 };
 struct sockaddr_l2tpip6 {
-  __kernel_sa_family_t l2tp_family;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __kernel_sa_family_t l2tp_family;
   __be16 l2tp_unused;
   __be32 l2tp_flowinfo;
   struct in6_addr l2tp_addr;
-  __u32 l2tp_scope_id;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u32 l2tp_scope_id;
   __u32 l2tp_conn_id;
 };
 enum {
-  L2TP_CMD_NOOP,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_CMD_NOOP,
   L2TP_CMD_TUNNEL_CREATE,
   L2TP_CMD_TUNNEL_DELETE,
   L2TP_CMD_TUNNEL_MODIFY,
-  L2TP_CMD_TUNNEL_GET,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_CMD_TUNNEL_GET,
   L2TP_CMD_SESSION_CREATE,
   L2TP_CMD_SESSION_DELETE,
   L2TP_CMD_SESSION_MODIFY,
-  L2TP_CMD_SESSION_GET,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_CMD_SESSION_GET,
   __L2TP_CMD_MAX,
 };
 #define L2TP_CMD_MAX (__L2TP_CMD_MAX - 1)
-enum {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+enum {
   L2TP_ATTR_NONE,
   L2TP_ATTR_PW_TYPE,
   L2TP_ATTR_ENCAP_TYPE,
-  L2TP_ATTR_OFFSET,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_ATTR_OFFSET,
   L2TP_ATTR_DATA_SEQ,
   L2TP_ATTR_L2SPEC_TYPE,
   L2TP_ATTR_L2SPEC_LEN,
-  L2TP_ATTR_PROTO_VERSION,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_ATTR_PROTO_VERSION,
   L2TP_ATTR_IFNAME,
   L2TP_ATTR_CONN_ID,
   L2TP_ATTR_PEER_CONN_ID,
-  L2TP_ATTR_SESSION_ID,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_ATTR_SESSION_ID,
   L2TP_ATTR_PEER_SESSION_ID,
   L2TP_ATTR_UDP_CSUM,
   L2TP_ATTR_VLAN_ID,
-  L2TP_ATTR_COOKIE,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_ATTR_COOKIE,
   L2TP_ATTR_PEER_COOKIE,
   L2TP_ATTR_DEBUG,
   L2TP_ATTR_RECV_SEQ,
-  L2TP_ATTR_SEND_SEQ,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_ATTR_SEND_SEQ,
   L2TP_ATTR_LNS_MODE,
   L2TP_ATTR_USING_IPSEC,
   L2TP_ATTR_RECV_TIMEOUT,
-  L2TP_ATTR_FD,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_ATTR_FD,
   L2TP_ATTR_IP_SADDR,
   L2TP_ATTR_IP_DADDR,
   L2TP_ATTR_UDP_SPORT,
-  L2TP_ATTR_UDP_DPORT,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_ATTR_UDP_DPORT,
   L2TP_ATTR_MTU,
   L2TP_ATTR_MRU,
   L2TP_ATTR_STATS,
-  L2TP_ATTR_IP6_SADDR,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_ATTR_IP6_SADDR,
   L2TP_ATTR_IP6_DADDR,
   L2TP_ATTR_UDP_ZERO_CSUM6_TX,
   L2TP_ATTR_UDP_ZERO_CSUM6_RX,
-  L2TP_ATTR_PAD,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_ATTR_PAD,
   __L2TP_ATTR_MAX,
 };
 #define L2TP_ATTR_MAX (__L2TP_ATTR_MAX - 1)
-enum {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+enum {
   L2TP_ATTR_STATS_NONE,
   L2TP_ATTR_TX_PACKETS,
   L2TP_ATTR_TX_BYTES,
-  L2TP_ATTR_TX_ERRORS,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_ATTR_TX_ERRORS,
   L2TP_ATTR_RX_PACKETS,
   L2TP_ATTR_RX_BYTES,
   L2TP_ATTR_RX_SEQ_DISCARDS,
-  L2TP_ATTR_RX_OOS_PACKETS,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_ATTR_RX_OOS_PACKETS,
   L2TP_ATTR_RX_ERRORS,
   L2TP_ATTR_STATS_PAD,
   __L2TP_ATTR_STATS_MAX,
-};
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
 #define L2TP_ATTR_STATS_MAX (__L2TP_ATTR_STATS_MAX - 1)
 enum l2tp_pwtype {
   L2TP_PWTYPE_NONE = 0x0000,
-  L2TP_PWTYPE_ETH_VLAN = 0x0004,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_PWTYPE_ETH_VLAN = 0x0004,
   L2TP_PWTYPE_ETH = 0x0005,
   L2TP_PWTYPE_PPP = 0x0007,
   L2TP_PWTYPE_PPP_AC = 0x0008,
-  L2TP_PWTYPE_IP = 0x000b,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_PWTYPE_IP = 0x000b,
   __L2TP_PWTYPE_MAX
 };
 enum l2tp_l2spec_type {
-  L2TP_L2SPECTYPE_NONE,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_L2SPECTYPE_NONE,
   L2TP_L2SPECTYPE_DEFAULT,
 };
 enum l2tp_encap_type {
-  L2TP_ENCAPTYPE_UDP,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_ENCAPTYPE_UDP,
   L2TP_ENCAPTYPE_IP,
 };
 enum l2tp_seqmode {
-  L2TP_SEQ_NONE = 0,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_SEQ_NONE = 0,
   L2TP_SEQ_IP = 1,
   L2TP_SEQ_ALL = 2,
 };
-#define L2TP_GENL_NAME "l2tp"
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+enum l2tp_debug_flags {
+  L2TP_MSG_DEBUG = (1 << 0),
+  L2TP_MSG_CONTROL = (1 << 1),
+  L2TP_MSG_SEQ = (1 << 2),
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  L2TP_MSG_DATA = (1 << 3),
+};
+#define L2TP_GENL_NAME "l2tp"
 #define L2TP_GENL_VERSION 0x1
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define L2TP_GENL_MCGROUP "l2tp"
 #endif