-[0000:00]-+-00.0  Intel Corporation 440FX - 82441FX PMC [Natoma]
           +-01.0  Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II]
           +-01.1  Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II]
           +-01.2  Intel Corporation 82371SB PIIX3 USB [Natoma/Triton II]
           +-01.3  Intel Corporation 82371AB/EB/MB PIIX4 ACPI
           +-02.0  Red Hat, Inc. Virtio network device
           +-03.0  Red Hat, Inc. Virtio block device
           +-04.0  Red Hat, Inc. Virtio memory balloon
           \-05.0  Red Hat, Inc. Virtio RNG