There seems to be a lot of failures in this log, other than this
libtommath one. (Which is not a fault in its packaging)
** Package changed: libtommath (Ubuntu) => dpkg (Ubuntu)
--
package libtommath0 0.39-3ubuntu1 failed to install/upgrade: ErrorMessage: il
pacchetto libtommath0 è già installa
** Attachment added: "Dependencies.txt"
https://bugs.launchpad.net/bugs/632259/+attachment/1553029/+files/Dependencies.txt
** Attachment added: "VarLogDistupgradeAptlog.gz"
https://bugs.launchpad.net/bugs/632259/+attachment/1553030/+files/VarLogDistupgradeAptlog.gz
** Attachment added: "
