Comment 3 for bug 1767534

I believe prelude-utils should conflict with or break libprelude2v5.

 $ apt-cache show prelude-utils
Package: prelude-utils
Architecture: amd64
Version: 4.1.0-4
Priority: optional
Section: universe/utils
Source: libprelude
Origin: Ubuntu
Maintainer: Ubuntu Developers <email address hidden>
Original-Maintainer: Pierre Chifflier <email address hidden>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 126
Depends: libc6 (>= 2.16), libgnutls30 (>= 3.5.6), libprelude23 (>= 4.1), ruby (<< 1:2.6~)
Breaks: libprelude2, libprelude23 (<< 4.1.0-1)
Replaces: libprelude2, libprelude23 (<< 4.1.0-1)
Filename: pool/universe/libp/libprelude/prelude-utils_4.1.0-4_amd64.deb
Size: 36296
MD5sum: ace6b7494fd07269a45a97ccfac4ead1