//sys/class/tty/tty21/subsystem/tty61/subsystem/tty33/subsystem/tty1/subsystem/tty34/subsystem/tty3/subsystem/ttyS2/subsystem/ttyS2/subsystem/tty17/subsystem/tty32/subsystem/tty0/subsystem/tty2/subsystem/tty17/uevent