If we abort the iotest early the server.log file might contain useful
information for diagnosing the problem. Ensure its contents are
displayed in this case.
Reviewed-by: NEric Blake <eblake@redhat.com>
Signed-off-by: NDaniel P. Berrangé <berrange@redhat.com>
Message-Id: <20190220145819.30969-2-berrange@redhat.com>
[eblake: fix shell quoting]
Signed-off-by: NEric Blake <eblake@redhat.com>