This is also fixed in network-manager upstream (git://git.freedesktop.org/git/NetworkManager/NetworkManager.git) by commit d1295b12e9f802867edef57ee02c87495df1683e ("dhcp: wait for an IPv6LL address before starting DHCPv6 (bgo #740147)") which is included in Ubuntu network-manager starting in wily.
** Changed in: ifupdown (Ubuntu) Assignee: (unassigned) => Dan Streetman (ddstreet) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1447715 Title: dhclient -6: Can't bind to dhcp address: Cannot assign requested address To manage notifications about this bug go to: https://bugs.launchpad.net/dhcp/+bug/1447715/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs