Cannot cross arch build arm64 vhd disk on x86_64 VM

[yuxisun1217]

I cannot cross-arch build an arm64 vhd disk on the x86_64 VM.

# podman run --rm -it --privileged --pull=newer --security-opt label=type:unconfined_t -v ./config.toml:/config.toml -v ./output:/output -v /var/lib/containers/storage:/var/lib/containers/storage quay.io/centos-bootc/bootc-image-builder:latest --type vhd --config /config.toml --local localhost/rhel-bootc-azure-aarch64:9.5 --target-arch arm64
Generating manifest manifest-vhd.json
WARNING: target-arch is experimental and needs an installed 'qemu-user' package
DONE
Building manifest-vhd.json
Export vpc not found in ['build', 'ostree-deployment', 'image', 'qcow2', 'vmdk', 'ovf', 'archive']
Failed
2024/09/29 09:30:20 error: cannot run osbuild: running osbuild failed: exit status 1

bib image labels:

                    "architecture": "x86_64",
                    "build-date": "2024-09-26T14:36:13",
                    "description": "This tools allows to build and deploy disk-images from bootc container inputs.",
                    "io.buildah.version": "1.37.0-dev",
                    "io.k8s.description": "This tools allows to build and deploy disk-images from bootc container inputs.",
                    "io.k8s.display-name": "Bootc Image Builder",
                    "io.openshift.tags": "base fedora40",
                    "license": "MIT",
                    "name": "fedora",
                    "org.opencontainers.image.license": "MIT",
                    "org.opencontainers.image.name": "fedora",
                    "org.opencontainers.image.url": "https://fedoraproject.org/",
                    "org.opencontainers.image.vendor": "Fedora Project",
                    "org.opencontainers.image.version": "40",
                    "summary": "A container to create disk-images from bootc container inputs",
                    "vcs-ref": "031df2b115743a87b6684d4894f3d1730afefc98",
                    "vcs-type": "git",
                    "vendor": "Fedora Project",
                    "version": "40"