hw = vnet_get_hw_interface (tm->vnet_main, ti->hw_if_index);
hw->min_supported_packet_bytes = TAP_MTU_MIN;
hw->max_supported_packet_bytes = TAP_MTU_MAX;
hw = vnet_get_hw_interface (tm->vnet_main, ti->hw_if_index);
hw->min_supported_packet_bytes = TAP_MTU_MIN;
hw->max_supported_packet_bytes = TAP_MTU_MAX;