Just looked at what netplan generates in networkd: [Match] Name=eth0
[Network] DHCP=ipv4 IPv6AcceptRA=no [DHCP] RouteMetric=100 So that shows it's explicitly disabling IPv6 RA handling on the interface, causing the regression. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1717404 Title: IPv6 support regresses with nplan transition To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nplan/+bug/1717404/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
