libvirt users - Sep 2010 - Couple of libvirtd warnings

Hello, I recently upgraded to libvirt 0.8.3 and qemu 0.12.5 and I'm seeing
these messages in syslog:

libvirtd: 09:52:34.591: warning : virStorageBackendQEMUImgBackingFormat:623
: Unexpected exit status '1', qemu probably failed
libvirtd: 09:52:34.746: warning : qemudParsePCIDeviceStrs:1422 : Unexpected
exit status '1', qemu probably failed

I'm not having any problems, but I'd like to know what these mean.

Thanks!
.:. jeremy
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