Comment 6 for bug 290925

I looked into this and I can reproduce it too.

The reason is that in the target filesystem there is no "restricted" packages list anymore (because that is removed from the sources.list in target). So when apt tries to figure out the section it can not find a Packages file and falls back to /var/lib/dpkg/status. That has "base". This comes directly from the deb package that has "base" too instead of "restricted/base".

To fix we need to add "Section: restricted/base" to the deb or gather the information what is restricted and needs to be removed before removing "restricted" from the sources.list (plus we need to have indexfiles that match the current mirror in sources.list - it seems like this is not always the case on the /target filesystem).