ifru_mtu          360 include/linux/compat.h 		compat_int_t	ifru_mtu;
ifru_mtu          246 include/uapi/linux/if.h 		int	ifru_mtu;
ifru_mtu          264 include/uapi/linux/if.h #define	ifr_mtu		ifr_ifru.ifru_mtu	/* mtu			*/