/usr/bin/apt-get  -q update
  /dev/dm-10: stat failed: No such file or directory
  Path /dev/dm-10 no longer valid for device(253,10)
  /dev/block/253:10: stat failed: No such file or directory
  Path /dev/block/253:10 no longer valid for device(253,10)
  /dev/debuild/karmic-amd64-sbuild-8e62a49f-8ff7-4581-8233-f578d9271b85: stat failed: No such file or directory
  Path /dev/debuild/karmic-amd64-sbuild-8e62a49f-8ff7-4581-8233-f578d9271b85 no longer valid for device(253,10)
  /dev/mapper/debuild-karmic--amd64--sbuild--8e62a49f--8ff7--4581--8233--f578d9271b85: stat failed: No such file or directory
  Path /dev/mapper/debuild-karmic--amd64--sbuild--8e62a49f--8ff7--4581--8233--f578d9271b85 no longer valid for device(253,10)
  /dev/dm-13: stat failed: No such file or directory
  Path /dev/dm-13 no longer valid for device(253,13)
  /dev/block/253:13: stat failed: No such file or directory
  Path /dev/block/253:13 no longer valid for device(253,13)
  /dev/mapper/debuild-karmic--amd64--sbuild--8e62a49f--8ff7--4581--8233--f578d9271b85-cow: stat failed: No such file or directory
  Path /dev/mapper/debuild-karmic--amd64--sbuild--8e62a49f--8ff7--4581--8233--f578d9271b85-cow no longer valid for device(253,13)