Since 21.10 is no longer maintained I can no longer perform apt update && apt upgrade.
E: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/pool/main/x/xwayland/xwayland_21.1.2-0ubuntu1.2_arm64.deb 404 Not Found [IP: 2620:2d:4000:1::16 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
chris@pi-shared:~/.ssh$ sudo pop-upgrade release upgrade
checking if pop-upgrade requires an update
Current Release: 21.10
Upgrading to: 22.04
New version available: 11
Event: updating package lists
Release upgrade status: release upgrade aborted: failed to update package lists for the current release
---
Since 21.10 is no longer maintained I can no longer perform
apt update && apt upgrade
.