//sys/class/tty/tty21/subsystem/tty57/subsystem/tty5/subsystem/ptmx/subsystem/ptmx/subsystem/tty6/subsystem/tty28/subsystem/tty41/subsystem/tty44/subsystem/tty4/subsystem/tty54/subsystem/ttyS3/subsystem/tty28/uevent