Failed to create kvm guest with uvt-kvm on Xenial/Zesty s390x zVM

Steps:
1. Fetch the image with: uvt-simplestreams-libvirt sync release=xenial arch=s390x
2. Create the kvm: uvt-kvm create kvm-test release=xenial arch=s390x

Result:
 * the uvt-kvm command returns "uvt-kvm: error: libvirt: XML error: No PCI buses available"

ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: linux-image-4.10.0-39-generic 4.10.0-39.43
ProcVersionSignature: Ubuntu 4.10.0-39.43-generic 4.10.17
Uname: Linux 4.10.0-39-generic s390x
NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access '/dev/snd/': No such file or directory
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.20.4-0ubuntu4.5
Architecture: s390x
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
CurrentDmesg:

Date: Fri Nov 3 08:50:34 2017
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lspci:

Lsusb: Error: command ['lsusb'] failed with exit code 1:
PciMultimedia:

ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=C
 SHELL=/bin/bash
ProcFB: Error: [Errno 2] No such file or directory: '/proc/fb'
ProcKernelCmdLine: root=/dev/mapper/kl03vg01-kl03root crashkernel=196M udev.log-priority=debug rd.udev.log_priority=debug BOOT_IMAGE=0
RelatedPackageVersions:
 linux-restricted-modules-4.10.0-39-generic N/A
 linux-backports-modules-4.10.0-39-generic N/A
 linux-firmware 1.164.1
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)