//sys/class/tty/tty21/subsystem/tty0/subsystem/tty8/subsystem/tty/subsystem/tty41/subsystem/tty19/subsystem/tty12/subsystem/tty18/subsystem/tty50/subsystem/tty20/subsystem/tty33/subsystem/tty27/subsystem/tty43/subsystem/tty59/subsystem/tty15/uevent