So there is a blueprint and spec for this, which should be restored if required: https://blueprints.launchpad.net/nova/+spec/check-destination-type-in-block-device-mapping-v2
So there is a blueprint and spec for this, which should be restored if required: /blueprints. launchpad. net/nova/ +spec/check- destination- type-in- block-device- mapping- v2
https:/