-[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]
           +-01.3  Intel Corporation 82371AB/EB/MB PIIX4 ACPI
           +-02.0  Red Hat, Inc. QXL paravirtual graphic card
           +-03.0  Red Hat, Inc. Virtio network device
           +-04.0  Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller
           +-05.0  Red Hat, Inc. Virtio console
           +-06.0  Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1
           +-06.1  Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2
           +-06.2  Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3
           +-06.7  Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1
           +-07.0  Red Hat, Inc. Virtio memory balloon
           \-08.0  Red Hat, Inc. Virtio network device