Show the actual flags value and include "block migration" in the error
message so it's clear where the error is coming from.
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
Message-id: 1360534366-26723-2-git-send-email-stefanha@redhat.com
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>