#include <net/ethernet.h>
#include <net/if_arp.h>
#include <linux/if_packet.h>
-#include <sys/socket.h>
#include <linux/rtnetlink.h>
+#include <netinet/ip6.h>
+#include "dhcp6.h"
#include "l2tpns.h"
/* Most of this code is based on keepalived:vrrp_arp.c */