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diff --git a/doc/source/admin/configuration/hypervisor-kvm.rst b/doc/source/admin/configuration/hypervisor-kvm.rst
index b0bd8ecc5d..2802ba84cb 100644
--- a/doc/source/admin/configuration/hypervisor-kvm.rst
+++ b/doc/source/admin/configuration/hypervisor-kvm.rst
@@ -684,6 +684,16 @@ explained above.
Impermanent limitations
-----------------------
+The following image metadata options are incompatible with the feature due to
+`bug #1845986 <https://bugs.launchpad.net/nova/+bug/1845986>`__.
+
+- ``hw_scsi_model=virtio-scsi`` and either ``hw_disk_bus=scsi`` or
+ ``hw_cdrom_bus=scsi``
+- ``hw_video_model=virtio``
+- ``hw_qemu_guest_agent=yes``
+
+This limitation will be resolved in the future.
+
The following limitations may be removed in the future as the
hardware, firmware, and various layers of software receive new
features: