//sys/class/tty/tty25/subsystem/ttyS2/subsystem/ptmx/subsystem/tty20/subsystem/tty42/subsystem/tty10/subsystem/tty31/subsystem/tty35/subsystem/tty51/subsystem/tty40/subsystem/tty28/subsystem/tty27/subsystem/tty1/subsystem/tty56/subsystem/tty3/uevent