//sys/devices/pci0000:00/0000:00:18.4/driver/0000:00:15.1/bus/devices/0000:00:18.4/driver/0000:00:16.5/driver/0000:00:16.1/0000:00:16.1:pcie00/subsystem/devices/0000:00:18.7:pcie00/uevent