After upgraded to Ubuntu 19.10 with systemd 242-6ubuntu1, the issue I encountered disappeared.
``` # ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eno1: <BROADCAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether 94:c6:91:18:8c:3c brd ff:ff:ff:ff:ff:ff inet 192.168.50.249/24 brd 192.168.50.255 scope global eno1 valid_lft forever preferred_lft forever 3: wlp58s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000 link/ether 40:a3:cc:22:45:25 brd ff:ff:ff:ff:ff:ff 4: pppoe@eno1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether 94:c6:91:18:8c:3c brd ff:ff:ff:ff:ff:ff ``` Now pppoe interface does not get IPv6 link-local address. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1845909 Title: IPv6 link local address is assigned even when LinkLocalAddressing=no|ipv4 To manage notifications about this bug go to: https://bugs.launchpad.net/systemd/+bug/1845909/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs