Thank you for reporting this. I've forwarded it to the upstream developers, as I think at very least this new behavior should be documented in https://systemd.network/systemd.network.html#DuplicateAddressDetection=
https://github.com/systemd/systemd/issues/22763 ** Bug watch added: github.com/systemd/systemd/issues #22763 https://github.com/systemd/systemd/issues/22763 ** Changed in: systemd (Ubuntu) Status: Confirmed => Triaged ** Changed in: systemd (Ubuntu) Importance: Undecided => Medium ** Also affects: systemd via https://github.com/systemd/systemd/issues/22763 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1964494 Title: Setting DuplicateAddressDetection=none doesn't disable DAD for link- local IPs To manage notifications about this bug go to: https://bugs.launchpad.net/systemd/+bug/1964494/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
