/usr/bin/apt-get  -q update
  /dev/dm-32: stat failed: No such file or directory
  Path /dev/dm-32 no longer valid for device(253,32)
  /dev/block/253:32: stat failed: No such file or directory
  Path /dev/block/253:32 no longer valid for device(253,32)
  /dev/debuild/karmic-amd64-sbuild-89c2d44f-772f-4a24-98a7-350d2d1de9b7: stat failed: No such file or directory
  Path /dev/debuild/karmic-amd64-sbuild-89c2d44f-772f-4a24-98a7-350d2d1de9b7 no longer valid for device(253,32)
  /dev/mapper/debuild-karmic--amd64--sbuild--89c2d44f--772f--4a24--98a7--350d2d1de9b7: stat failed: No such file or directory
  Path /dev/mapper/debuild-karmic--amd64--sbuild--89c2d44f--772f--4a24--98a7--350d2d1de9b7 no longer valid for device(253,32)
  /dev/dm-33: stat failed: No such file or directory
  Path /dev/dm-33 no longer valid for device(253,33)
  /dev/block/253:33: stat failed: No such file or directory
  Path /dev/block/253:33 no longer valid for device(253,33)
  /dev/mapper/debuild-karmic--amd64--sbuild--89c2d44f--772f--4a24--98a7--350d2d1de9b7-cow: stat failed: No such file or directory
  Path /dev/mapper/debuild-karmic--amd64--sbuild--89c2d44f--772f--4a24--98a7--350d2d1de9b7-cow no longer valid for device(253,33)