+static u8 *
+format_vnet_sw_interface_mtu (u8 * s, va_list * args)
+{
+ vnet_sw_interface_t *si = va_arg (*args, vnet_sw_interface_t *);
+
+ return format (s, "%d/%d/%d/%d", si->mtu[VNET_MTU_L3],
+ si->mtu[VNET_MTU_IP4],
+ si->mtu[VNET_MTU_IP6], si->mtu[VNET_MTU_MPLS]);
+}
+