//sys/devices/pci0000:00/0000:00:18.4/0000:00:18.4:pcie00/subsystem/devices/0000:00:17.5:pcie02/subsystem/devices/0000:00:18.3:pcie00/bus/devices/0000:00:18.3:pcie00/subsystem/devices/0000:00:15.5:pcie00/uevent