//sys/devices/pci0000:00/0000:00:18.5/bus/devices/0000:00:15.0/subsystem/devices/0000:00:15.2/driver/0000:00:17.5/driver/0000:00:18.0/bus/devices/0000:00:16.1/0000:00:16.1:pcie00/uevent