** Attachment added: "/var/log/dist-upgrade/apt.log"
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/2087838/+attachment/5836367/+files/apt.log
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** Attachment added: "this is the error message during the upgrade"
https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/2087838/+attachment/5836366/+files/bug%2018.04%20to%2020.04.jpg
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Public bug reported:
1. I'm trying to upgrade Ubuntu from 18.04.6 to Ubuntu 20.04.6. on an Alibaba
cloud instance:
do-release upgrade
2. The version of the package is unknown:
apt-cache policy pkgname returns:
N: Unable to locate package pkgname
3. I expected the upgrade to complete without err
