//sys/bus/platform/drivers/serial8250/serial8250/tty:ttyS1/subsystem/tty57/subsystem/tty27/subsystem/tty56/subsystem/tty14/subsystem/tty4/subsystem/tty15/subsystem/tty20/subsystem/tty27/subsystem/ptmx/subsystem/tty4/subsystem/tty41/subsystem/tty32/subsystem/tty59/subsystem/tty21/subsystem/tty9/uevent