//sys/devices/pci0000:00/0000:00:17.5/subsystem/devices/0000:00:15.6/bus/devices/0000:00:15.6/0000:00:15.6:pcie00/subsystem/devices/0000:00:18.7:pcie02/bus/devices/0000:00:16.4:pcie02/uevent