/sys/devices/pci0000:00/0000:00:07.4/0000:00:07.4:pcie001/
/sys/devices/pci0000:00/0000:00:07.4/0000:00:07.4:pcie001
NameSizeModeActions
driver/-0755rm
power/-0755rm
subsystem/-0755rm
uevent40960644editdlrm
cmd: