The same error happened to me. As a workaround for this issue i first shutdown the instance before rebuilding and it appeared to be working as the instance is displayed with the new image in Nova. However the volume I am booting from remains unchanged (with the old image).
The same error happened to me. As a workaround for this issue i first shutdown the instance before rebuilding and it appeared to be working as the instance is displayed with the new image in Nova. However the volume I am booting from remains unchanged (with the old image).
I am using Juno.