diff -up net-tools-2.0/iptunnel.c.linux48 net-tools-2.0/iptunnel.c

--- net-tools-2.0/iptunnel.c.linux48	2016-02-15 16:54:18.000000000 +0100

+++ net-tools-2.0/iptunnel.c	2016-10-12 09:16:57.429279406 +0200

@@ -26,7 +26,7 @@

 #include <sys/socket.h>

 #include <sys/ioctl.h>

 #include <netinet/in.h>

-#include <netinet/ip.h>

+#include <linux/ip.h>

 #include <arpa/inet.h>

 #include <net/if.h>

 #include <net/if_arp.h>