Não consegui atualizar para Ubuntu mais recente

[Nicácio Dias]

Não consegui, deu erro ao atualizar o Ubuntu MATE 1.10 released para o mais recente.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: ubuntu-release-upgrader-core 1:15.10.14.4
ProcVersionSignature: Ubuntu 4.2.0-42.49-generic 4.2.8-ckt12
Uname: Linux 4.2.0-42-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CrashDB: ubuntu
Date: Thu Aug 18 09:38:33 2016
InstallationDate: Installed on 2016-08-15 (2 days ago)
InstallationMedia: Ubuntu-MATE 15.10 "Wily Werewolf" - Release amd64 (20151021)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=pt_BR:pt:en
 PATH=(custom, no user)
 LANG=pt_BR.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to wily on 2016-08-18 (0 days ago)
VarLogDistupgradeAptlog:
 Log time: 2016-08-18 09:37:38.041860
 Log time: 2016-08-18 09:37:49.770142
 Log time: 2016-08-18 09:38:16.727633
 Log time: 2016-08-18 09:38:37.418849
VarLogDistupgradeTermlog:

[Launchpad Janitor (janitor)]

[Expired for ubuntu-release-upgrader (Ubuntu) because there has been no activity for 60 days.]