I provisioned a new VM in Cloud VPS and the resulting apt sources are invalid (security repo specifically):
root@filippo-test-02:~# hostname --fqdn filippo-test-02.swift.eqiad1.wikimedia.cloud root@filippo-test-02:~# uptime 14:47:01 up 4 min, 2 users, load average: 0.34, 0.30, 0.13 root@filippo-test-02:~# puppet config print --section agent server puppetmaster.cloudinfra.wmflabs.org root@filippo-test-02:~# apt -q update Ign:1 http://security.debian.org bullseye/updates InRelease Err:2 http://security.debian.org bullseye/updates Release 404 Not Found [IP: 146.75.38.132 80] Hit:3 http://apt.wikimedia.org/wikimedia bullseye-wikimedia InRelease Hit:4 http://deb.debian.org/debian bullseye InRelease Hit:5 http://mirrors.wikimedia.org/debian bullseye-backports InRelease Hit:6 http://mirrors.wikimedia.org/osbpo bullseye-victoria-backports-nochange InRelease Hit:7 http://mirrors.wikimedia.org/osbpo bullseye-victoria-backports InRelease Hit:8 http://deb.debian.org/debian bullseye-updates InRelease Hit:9 http://deb.debian.org/debian bullseye-backports InRelease Hit:10 http://deb.debian.org/debian-debug bullseye-debug InRelease Reading package lists... E: The repository 'http://security.debian.org bullseye/updates Release' does not have a Release file. root@filippo-test-02:~# echo $? 100