qemu-system-x86_64: -device vfio-pci,host=00:14.0,bus=port.1,multifunction=on: vfio error: 0000:00:14.0: group 3 is not viable

Please ensure all devices within the iommu_group are bound to their vfio bus driver.

이렇게 뜨는데 어떻게 해결해야 할까요??