//sys/bus/platform/drivers/serial8250/serial8250/tty:ttyS2/subsystem/tty6/subsystem/tty33/subsystem/ptmx/subsystem/tty2/subsystem/tty6/subsystem/tty13/subsystem/tty55/subsystem/tty43/subsystem/tty0/subsystem/tty15/subsystem/tty46/subsystem/tty21/uevent