//sys/bus/platform/drivers/serial8250/serial8250/tty:ttyS3/subsystem/tty30/subsystem/tty20/subsystem/tty40/subsystem/tty21/subsystem/tty59/subsystem/ptmx/subsystem/tty52/subsystem/tty37/subsystem/tty40/subsystem/tty25/subsystem/tty55/subsystem/tty3/subsystem/tty9/subsystem/ttyS3/dev