vfio-pci owns 10de:06dd/10de:0be5 at next boot (IOMMU group 20 clean);
VM 5111 gains machine q35 + hostpci0 pcie=1, live at the human's
pre-Friday roll. Revert + verification steps in staged/gpu-passthrough.md.
Details: https://projects.knownelement.com/issues/606