nix-configurations/hosts/m3-nix/services/virtualization.nix

{
  virtualisation.libvirtd.enable = true;
  virtualisation.libvirtd.qemu.swtpm.enable = true;
  virtualisation.libvirtd.qemu.ovmf.enable = true;
  virtualisation.podman = {
    enable = true;
    enableNvidia = true;
    defaultNetwork.dnsname.enable = true;
  };
}