[Bug 1652671] [NEW] Can't update from Kubuntu 14.04.5 LTS to 16.04.1 LTS

Public bug reported: Here is the logfile : $ sudo do-release-upgrade Recherche d'une nouvelle version d'Ubuntu Prendre :1 Signature de l'outil de mise à niveau [836 B] Prendre :2 Outil de mise à niveau [1 266 kB] 1 267 k o réceptionnés en

[Bug 1652327] [NEW] Can't update from 14.04 LTS to 16.04 LTS

Public bug reported: `update-manager` fails ... I sent the information with `ubuntu-bug ubuntu-release-upgrader-core` ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.9 ProcVersionSignature: Ubuntu 3.13.0-106.153-generic 3.13.11-ckt39 Uname: Linux