ARPHRD_PIMREG     281 net/core/dev.c 	 ARPHRD_PIMREG, ARPHRD_HIPPI, ARPHRD_ASH, ARPHRD_ECONET,
ARPHRD_PIMREG     218 net/ipv4/ipmr.c 	dev->type		= ARPHRD_PIMREG;
ARPHRD_PIMREG     422 net/ipv6/ip6mr.c 	dev->type		= ARPHRD_PIMREG;