This is what I got with --spice-debug option.
spice-debug (text/plain), 61.66 KB, created by Geyang Kong on 2012-04-23 03:03:38 UTC
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Creator: Geyang Kong
Created: 2012-04-23 03:03:38 UTC
Size: 61.66 KB
Actions: View
Attachments on bug 815175: 579401