Hi Haegar, A new commit which hopefully solves this bug has been uploaded [1], but this bug is affecting only 1.8.4-1 and a new release will not be uploaded inmediatly, but ASAP.
Thanks for reporting! Alberto [1] https://salsa.debian.org/pkg-netfilter-team/pkg-iptables/commit/d87a98ace73452f4c9f785f01ab7fe7156309e85
