//sys/class/tty/tty21/subsystem/tty13/subsystem/tty6/subsystem/tty41/subsystem/console/subsystem/tty61/subsystem/ttyS0/device/tty:ttyS2/subsystem/tty20/subsystem/tty31/subsystem/tty50/subsystem/ttyS1/device/tty:ttyS1/uevent