As I said I cannot test this patch on a current kernel really as it works just fine with IPv6 disabled. Please test this, and if it works for you I can send this upstream and SRU.
** Patch added: "proposed patch" https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1623068/+attachment/4740854/+files/0001-networkd-do-not-create-send-IFLA_AF_SPEC-container-i.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1623068 Title: Networkd fails to configure a ethernet network device on a 3.4 kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1623068/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs