[Bug 1970000]

[Brian Murray]

Reviewing the log file, /var/log/dist-upgrade/main.log, from your
upgrade attempt there was a failure to communicate with the mirror of
the Ubuntu archive which you use. This could either be due to an issue
with your connection to the mirror or with the mirror itself.
Regardless, this is an issue you'll need to sort out by fixing your
network connection or switching to a different mirror of the Ubuntu
archive before the upgrade can complete. If after resolving the
communication error with the mirror you are still unable to upgrade to a
new release of Ubuntu please open a new bug report so we'll have fresh
log files. Thanks and good luck!

** Tags added: connection-refused

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https://bugs.launchpad.net/bugs/1970000

Title:
  do-release-upgrade

Status in ubuntu-release-upgrader package in Ubuntu:
  Incomplete

Bug description:
  :~$ sudo do-release-upgrade -d DistUpgradeViewGtk3

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.38
  ProcVersionSignature: Ubuntu 5.13.0-40.45~20.04.1-generic 5.13.19
  Uname: Linux 5.13.0-40-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.23
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  Date: Sat Apr 23 00:27:15 2022
  InstallationDate: Installed on 2021-02-25 (421 days ago)
  InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=it_IT.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2022-04-22 (0 days ago)
  VarLogDistupgradeAptlog:
   Log time: 2022-04-23 00:26:43.331612
   Log time: 2022-04-23 00:26:47.787755
   Log time: 2022-04-23 00:27:14.503558
   Log time: 2022-04-23 00:27:25.929092

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