libvirtd: allow passt-based networking (#473249)

        virthost.succeed("virsh vol-create-as zfs_storagepool disk1 25MB")

      with subtest("check if nixos install iso boots, network and autostart works"):

        # The guest runs sshd on port 22. We use passt-based networking to

        # forward guest port 22 to host port 2222 and `nc -z` to assert that

        # the host port can only be connected to once the guest is running.

        virthost.fail("nc -z localhost 2222")

        virthost.succeed(

          "virt-install -n nixos --osinfo nixos-unstable --memory 1024 --graphics none --disk `find ${nixosInstallISO}/iso -type f | head -n1`,readonly=on --import --noautoconsole --autostart"

          "virt-install -n nixos --osinfo nixos-unstable --memory 1024 --graphics none --network default --network passt,portForward=2222:22 --disk `find ${nixosInstallISO}/iso -type f | head -n1`,readonly=on --import --noautoconsole --autostart"

        )

        virthost.succeed("virsh domstate nixos | grep running")

        virthost.wait_until_succeeds("ping -c 1 nixos")

        virthost.succeed("nc -z localhost 2222")

        virthost.succeed("virsh ${virshShutdownCmd} nixos")

        virthost.wait_until_succeeds("virsh domstate nixos | grep 'shut off'")

        virthost.shutdown()

        virthost.wait_for_unit("multi-user.target")

        virthost.wait_until_succeeds("ping -c 1 nixos")

        virthost.succeed("nc -z localhost 2222")

      with subtest("test if hooks are linked and run"):

        virthost.succeed("ls /var/lib/libvirt/hooks/qemu.d/is_working")

  nftables,

  ninja,

  openssh,

  passt,

  perl,

  perlPackages,

  polkit,

      numactl

      numad

      openssh

      passt

      pmutils

      systemd

    ]