//sys/bus/pci/devices/0000:00:18.0/driver/0000:00:17.1/driver/0000:00:15.4/driver/0000:00:17.4/driver/0000:00:15.7/driver/0000:00:17.2/driver/0000:00:17.1/driver/0000:00:17.4/driver/0000:00:16.7/subsystem_device