//sys/class/tty/tty0/subsystem/tty18/subsystem/tty60/subsystem/ttyS2/subsystem/tty22/subsystem/tty24/subsystem/tty57/subsystem/ptmx/subsystem/tty15/subsystem/tty34/subsystem/tty21/subsystem/ttyS3/device/tty:ttyS1/subsystem/tty25/uevent