What shows info block if not in snapshot mode (but disk snapshot exist)

<pre> ide0-hd0: drive0.qcow2 (qcow2)
    Backing file:     no-dev-tools.qcow2 (chain depth: 1)

</pre>
And what in the snapshot mode
<pre>
 ide0-hd0: (qcow2)
    Backing file:     drive0.qcow2 (chain depth: 2)

</pre>

No disk snapshot, no snapshot mode
<pre> virtio0: drive0.qcow2 (qcow2)
</pre>