Retrying after a restart seems to have fixed the issue.
** Changed in: ubuntu-release-upgrader (Ubuntu)
Status: Incomplete => Fix Released
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https://bugs.launchpad.net/bugs/1947754
It seems that there was an error communicating with the Ubuntu archive.
Please try the upgrade again or check to see if they are any issues on
your network preventing you from communicating with the archive. Thanks
and good luck.
2021-10-19 20:54:35,040 DEBUG examining: 'deb http://archive.ubuntu.
