Result of `nixpkgs-review pr 86291` [1](https://github.com/Mic92/nixpkgs-review)
<details>
  <summary>11 package marked as broken and skipped:</summary>

  - cloud-init
  - cloud-utils
  - python27Packages.guestfs
  - python37Packages.guestfs
  - python38Packages.guestfs
  - qemu_xen
  - qemu_xen-light
  - qemu_xen_4_10
  - qemu_xen_4_10-light
  - qemu_xen_4_8
  - qemu_xen_4_8-light
</details>
<details>
  <summary>4 package failed to build:</summary>

  - out-of-tree
  - qemu
  - qemu_kvm
  - qemu_test
</details>