//sys/class/tty/tty55/subsystem/tty39/subsystem/tty15/subsystem/tty30/subsystem/tty50/subsystem/ptmx/subsystem/tty0/subsystem/ttyS2/device/tty:ttyS1/subsystem/tty44/subsystem/tty37/subsystem/tty30/subsystem/tty13/subsystem/tty61/subsystem/tty58/uevent