Thank you Dan, for the analysis. Per comment #23, I'll mark Won't Fix for xenial.
** Changed in: ifupdown (Ubuntu Xenial) Status: In Progress => Won't Fix -- 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/ubuntu/+source/ifupdown/+bug/1447715/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs