# apt clean
# apt update
Hit:1 http://ca-central-1.ec2.ports.ubuntu.com/ubuntu-ports jammy InRelease
Hit:2 http://ca-central-1.ec2.ports.ubuntu.com/ubuntu-ports jammy-updates InRelease
Hit:3 http://ca-central-1.ec2.ports.ubuntu.com/ubuntu-ports jammy-backports InRelease
Hit:4 http://ports.ubuntu.com/ubuntu-ports jammy-security InRelease
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
24 packages can be upgraded. Run 'apt list --upgradable' to see them.
# apt upgrade
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation …
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