Thanks for filing this bug Iain. I am tagging it as server-next and it should be worked on by our team soon. As a source of information for the person who will work on it here is the patch submitted by Iain:
http://lists.thekelleys.org.uk/pipermail/dnsmasq- discuss/2020q3/014345.html And in the reply of this message a flaw seems to be found and a new patch was proposed (asked for review): http://lists.thekelleys.org.uk/pipermail/dnsmasq- discuss/2020q3/014346.html ** Tags added: server-next -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1894619 Title: [2.82 regression] router announcements have 'forever' lifetime by default To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dnsmasq/+bug/1894619/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs