Podman Support Multi Arch

$ podman machine ssh
# inside podman machine
$ sudo rpm-ostree install qemu-user-static
$ sudo systemctl reboot
# outside podman machine, wait for podman machine done restarting
$ podman run -it --rm --arch=amd64 alpine:3.14 uname -m
x86_64
$ podman run -it --rm --arch=arm64 alpine:3.14 uname -m
aarch64