'apt-clone clone' tells
not installable: opera-stable, virtualbox-5.0, linux-headers-3.16.0-58-generic,
hplip-data, linux-headers-3.16.0-72, printer-driver-hpcups,
xubuntu-default-settings, linux-image-3.16.0-74-generic, libhpmu
Public bug reported:
The bug is described on the ubuntu forum =>
https://ubuntuforums.org/showthread.php?t=2333884&p=13536493
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.8
ProcVersionSignature: Ubuntu 3.16.0-77.99~14.04.1-generic 3.16.7-ckt27
Uname: