//sys/bus/platform/drivers/serial8250/serial8250/tty:ttyS1/subsystem/tty4/subsystem/tty4/subsystem/tty30/subsystem/tty17/subsystem/tty17/subsystem/tty44/subsystem/tty51/subsystem/ttyS1/subsystem/tty36/subsystem/tty/subsystem/tty51/subsystem/tty49/subsystem/tty46/subsystem/tty22/uevent