This was tested and applies to podman 5.4 and the default podman-machine. Running everything with podman requires that the podman machine runs in rootful mode; more details below.
# we assume no other machines might be running, shutting down the default one
podman machine stop
# we create a new podman machine
# 2-4GiB of memory are unfortunately not enough
# must be rootful
podman machine init --cpus 8 --memory 8192 --rootful ironcore-in-a-box
podman machine start ironcore-in-a-box
# change the default system connection
podman system connection default ironcore-in-a-box-root
# the dpservice requires some extra kernel modules
podman machine ssh ironcore-in-a-box "sudo rpm-ostree install kernel-modules-extra"
# this kernel modules installation requires a restart of the VM
podman machine stop ironcore-in-a-box
podman machine start ironcore-in-a-box
# removing the sch_multiq kernel module from the blacklist
podman machine ssh ironcore-in-a-box grep -rle \"^blacklist sch_multiq\" /etc/modprobe.d/ \| xargs -r sudo sed -i \'s/blacklist sch_multiq/#blacklist sch_multiq/\'