redefinition-error trafgen

Building trafgen:
  LEX	trafgen_lexer.l
  YAAC	trafgen_parser.y
  CC	xmalloc.c
  CC	die.c
  CC	ioops.c
  CC	privs.c
  CC	proc.c
  CC	dev.c
  CC	irq.c
  CC	link.c
  CC	str.c
  CC	sig.c
  CC	sock.c
  CC	ring_tx.c
  CC	ring.c
  CC	timer.c
  CC	sysctl.c
  CC	cpp.c
  CC	pcap_sg.c
  CC	pcap_rw.c
  CC	pcap_mm.c
  CC	iosched.c
  CC	trafgen_proto.c
  CC	trafgen_l2.c
  CC	trafgen_l3.c
  CC	trafgen_l4.c
  CC	trafgen/trafgen_lexer.yy.c
  CC	trafgen/trafgen_parser.tab.c
  CC	trafgen.c
In file included from pcap_io.h:19:0,
                 from trafgen.c:59:
/usr/include/linux/if_arp.h:113:8: error: redefinition of 'struct arpreq'
 struct arpreq {
        ^~~~~~
In file included from /usr/include/netinet/if_ether.h:108:0,
                 from /usr/include/net/ethernet.h:10,
                 from trafgen.c:23:
/usr/include/net/if_arp.h:99:8: note: originally defined here
 struct arpreq {
        ^~~~~~
In file included from pcap_io.h:19:0,
                 from trafgen.c:59:
/usr/include/linux/if_arp.h:121:8: error: redefinition of 'struct arpreq_old'
 struct arpreq_old {
        ^~~~~~~~~~
In file included from /usr/include/netinet/if_ether.h:108:0,
                 from /usr/include/net/ethernet.h:10,
                 from trafgen.c:23:
/usr/include/net/if_arp.h:107:8: note: originally defined here
 struct arpreq_old {
        ^~~~~~~~~~
In file included from pcap_io.h:19:0,
                 from trafgen.c:59:
/usr/include/linux/if_arp.h:141:8: error: redefinition of 'struct arphdr'
 struct arphdr {
        ^~~~~~
In file included from /usr/include/netinet/if_ether.h:108:0,
                 from /usr/include/net/ethernet.h:10,
                 from trafgen.c:23:
/usr/include/net/if_arp.h:22:8: note: originally defined here
 struct arphdr {
        ^~~~~~
make: *** [Makefile:185: trafgen/trafgen.o] Error 1