Code review comment for ~ahasenack/ubuntu/+source/frr:focal-frr-fbfs-s390x

- [√] changelog entry correct, targeted to correct codename
- [-] no major upstream changes to consider
- [-] debian changes look safe
- [√] update-maintainer has been run
- [√] changes forwarded upstream/debian (if appropriate)
- [-] nothing else to drop
- [√] patches match what was proposed upstream
- [√] patches correctly included in debian/patches/series?
- [√] patches have correct DEP3 metadata
- [√] verified PPA package installs/uninstalls
- [√] autopkgtest against the PPA package passes