Now I tested NetworkManager (from precise-proposed) with dhcpv6 support against dnsmasq on localhost. It work correctly. Months ago I tested also version from comment #3 on real dhcpv6 netowork and it worked fine too.
So I think this problem is fixed in precise-proposed.
Now I tested NetworkManager (from precise-proposed) with dhcpv6 support against dnsmasq on localhost. It work correctly. Months ago I tested also version from comment #3 on real dhcpv6 netowork and it worked fine too.
So I think this problem is fixed in precise-proposed.