No matches were found for subject:"\[Bug 563597\] \[NEW\] package linux\-backports\-modules\-wireless\-2.6.32\-21\-generic 2.6.32\-21.11 failed to install\/upgrade\: trying to overwrite '\/lib\/udev\/compat_firmware.sh', which is also in package linux\-backports\-modules\-wireless\-2.6.32\-20\-generic 0\:2.6.32\-20.10"