Jiri Denemark e1ca8ecb46 qemu: Check QEMU error on failed migration
When migration fails, QEMU may provide a description of the error in
the reply to query-migrate QMP command. We can fetch this error and use
it instead of the generic "unexpectedly failed" message.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
2017-10-17 10:41:45 +02:00
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