On 2024-08-19 14:46, Paride Legovini wrote: > The autopkgtest-build-lxc tool tries to do some proxy autoconfiguration, > the logic is in lib/build-lxc.sh. I remember you mentioning using > apt-cacher-ng, and having issues reaching archive.ubuntu.com with that, > despite /var/lib/apt-cacher-ng/backends_ubuntu.default allowing access > to archive.ubuntu.com by default. My guess is that the culprit is in > this area.
I found: https://bugs.launchpad.net/ubuntu/+source/apt-cacher-ng/+bug/1998865 which describes a similar problem and mentions possible workarounds.