-[0000:00]-+-00.0  Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller
           +-01.0  Red Hat, Inc. Virtio memory balloon
           +-02.0  Red Hat, Inc. Virtio 1.0 GPU
           +-03.0  Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller
           +-04.0  Red Hat, Inc. Virtio RNG
           +-05.0  Red Hat, Inc. QEMU XHCI Host Controller
           +-06.0  Apple Inc. KeyLargo/Intrepid USB
           +-07.0  Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller
           +-08.0  Red Hat, Inc. Virtio network device
           +-09.0  Red Hat, Inc. Virtio block device
           +-0a.0  Red Hat, Inc. Virtio filesystem
           +-1f.0  Intel Corporation 82801IB (ICH9) LPC Interface Controller
           +-1f.2  Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA Controller [AHCI mode]
           \-1f.3  Intel Corporation 82801I (ICH9 Family) SMBus Controller