Update to kernel headers v5.2.

Test: Booted a taimen, ran unit bionic unit tests.
Change-Id: I3522c59793bbcef98ea515996a481d92f14b8816
diff --git a/libc/kernel/uapi/linux/ip_vs.h b/libc/kernel/uapi/linux/ip_vs.h
index d89598d..0230aae 100644
--- a/libc/kernel/uapi/linux/ip_vs.h
+++ b/libc/kernel/uapi/linux/ip_vs.h
@@ -85,6 +85,11 @@
 #define IP_VS_PENAME_MAXLEN 16
 #define IP_VS_IFNAME_MAXLEN 16
 #define IP_VS_PEDATA_MAXLEN 255
+enum {
+  IP_VS_CONN_F_TUNNEL_TYPE_IPIP = 0,
+  IP_VS_CONN_F_TUNNEL_TYPE_GUE,
+  IP_VS_CONN_F_TUNNEL_TYPE_MAX,
+};
 struct ip_vs_service_user {
   __u16 protocol;
   __be32 addr;
@@ -236,6 +241,8 @@
   IPVS_DEST_ATTR_STATS,
   IPVS_DEST_ATTR_ADDR_FAMILY,
   IPVS_DEST_ATTR_STATS64,
+  IPVS_DEST_ATTR_TUN_TYPE,
+  IPVS_DEST_ATTR_TUN_PORT,
   __IPVS_DEST_ATTR_MAX,
 };
 #define IPVS_DEST_ATTR_MAX (__IPVS_DEST_ATTR_MAX - 1)