//sys/class/tty/tty21/subsystem/tty52/subsystem/tty31/subsystem/tty22/subsystem/tty54/subsystem/tty16/subsystem/tty32/subsystem/tty/subsystem/tty34/subsystem/ttyS2/subsystem/tty59/subsystem/tty46/subsystem/tty16/subsystem/tty30/uevent