[Bug 1938042] Re: upgrade fails with postfix error and system in unstable state

[pleabargain]

** Attachment added: "failed"
   https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1938042/+attachment/5513744/+files/failed_2021-07-26_16-28.png

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https://bugs.launchpad.net/bugs/1938042

Title:
  upgrade fails with postfix error and system in unstable state

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

Bug description:
  Attempting to upgrade
  error at the end of the upgrade with postfix
  message says that my system might be unstable
  see screengrabs

  ProblemType: Bug
  DistroRelease: Ubuntu 21.04
  Package: ubuntu-release-upgrader-core 1:21.04.14
  ProcVersionSignature: Ubuntu 5.8.0-63.71-generic 5.8.18
  Uname: Linux 5.8.0-63-generic x86_64
  ApportVersion: 2.20.11-0ubuntu65.1
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  Date: Mon Jul 26 16:22:00 2021
  InstallationDate: Installed on 2015-08-23 (2163 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to hirsute on 2021-07-26 (0 days ago)
  VarLogDistupgradeTermlog:
   
  modified.conffile..etc.default.apport:
   # set this to 0 to disable apport, or to 1 to enable it
   # you can temporarily override this with
   # sudo service apport start force_start=1
   enabled=0
  mtime.conffile..etc.default.apport: 2021-01-13T09:36:03.851337

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