//sys/bus/pci/devices/0000:00:07.7/subsystem/devices/0000:00:18.7/driver/0000:00:16.1/driver/0000:00:16.2/driver/0000:00:18.4/0000:00:18.4:pcie00/subsystem/devices/0000:00:15.0:pcie00/uevent