//sys/bus/pci/devices/0000:00:07.7/driver/0000:00:07.7/subsystem/drivers/pcieport-driver/0000:00:15.0/driver/0000:00:17.1/driver/0000:00:15.3/subsystem/devices/0000:00:07.7/subsystem/devices/0000:0b:00.0/subsystem_vendor