-[0000:00]-+-00.0  Network Appliance Corporation Device 1275
           +-03.0  Red Hat, Inc. Virtio block device
           +-04.0  Intel Corporation 82545EM Gigabit Ethernet Controller (Copper)
           +-1d.0  Device fb5d:40fb
           +-1e.0  Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller
           \-1f.0  Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II]