---
upgrade:
  - |
    The following deprecated parameters have been removed from
    the ``nova::compute::libvirt`` class.

    - ``libvirt_virt_type``
    - ``libvirt_cpu_mode``
    - ``libvirt_cpu_model``
    - ``libvirt_cpu_model_extra_flags``
    - ``libvirt_snapshot_image_format``
    - ``libvirt_hw_dis_discard``
    - ``libvirt_hw_machine_type``
    - ``libvirt_hw_inject_password``
    - ``libvirt_hw_inject_key``
    - ``libvirt_hw_inject_partition``
    - ``libvirt_enabled_perf_events``