There is a patch exists that fixes this problem, but against more recent version of NetworkManager: https://bugzilla.gnome.org/show_bug.cgi?id=681764#c20 I tried to adapt it to 1.0.4 currently present in Ubuntu (and it works for me). However, further testing needed.
** Bug watch added: GNOME Bug Tracker #681764 https://bugzilla.gnome.org/show_bug.cgi?id=681764 ** Patch added: "nm.patch" https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1469346/+attachment/4541727/+files/nm.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1469346 Title: DHCPv6 responses with multiple addresses applied incorrectly to interface To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1469346/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs