this package seems to have new commits in its VCS but has
not yet updated debian/changelog. You should consider updating
the Debian changelog and uploading this new version into the archive.
Here are the relevant commit logs:
Author: Jeremy Sowden <firstname.lastname@example.org>
Date: Fri Aug 27 11:35:43 2021 +0100
d/libnetfilter-log-doc.examples: add test sources to -doc package