//sys/bus/platform/devices/serial8250/tty:ttyS2/subsystem/ptmx/subsystem/tty31/subsystem/tty60/subsystem/tty61/subsystem/tty27/subsystem/tty57/subsystem/tty21/subsystem/tty1/subsystem/tty38/subsystem/tty52/subsystem/tty8/subsystem/tty34/subsystem/ttyS3/device/tty:ttyS3/subsystem/tty4/uevent