簡單006:internal error: qemu unexpectedly closed the monitor: 2019-12-05T20:53:44.178958Z qemu-system-x86_64: -device vfio-pci,host=04:00.0,id=hostdev0,bus=pci.0,addr=0x6: vfio 0000:04:00.0: group 5 is not viable Please ensure all devices within the iommu_group are bound to their vfio bus driver.