+u8 *
+format_vnet_hw_if_index_name (u8 * s, va_list * args)
+{
+ vnet_main_t *vnm = va_arg (*args, vnet_main_t *);
+ u32 hw_if_index = va_arg (*args, u32);
+ vnet_hw_interface_t *hi;
+
+ hi = vnet_get_hw_interface (vnm, hw_if_index);
+
+ if (hi == 0)
+ return format (s, "DELETED");
+
+ return format (s, "%v", hi->name);
+}
+