Adding to comment #9, I tried to look at the content of "base-passwd" and here's what I found:
$ dpkg-deb -W ./base-passwd_3.5.44_amd64.deb dpkg-deb: error: archive './base-passwd_3.5.44_amd64.deb' has premature member 'control.tar.xz' before 'control.tar.gz', giving up This might be the root cause of the problem. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1727732 Title: Add Ubuntu bionic as a supported release To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/debootstrap/+bug/1727732/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
