---
upgrade:
  - |
    Configure Nova libvirt.num_pcie_ports to 16 by default. Nova currently
    sets 'num_pcie_ports' to "0" (defaults to libvirt's "1"), which is
    not sufficient for hotplug use with 'q35' machine type.
fixes:
  - |
    Fixes an issue where 'q35' libvirt machine type VM could not hotplug
    more than one PCIe device at a time.