Comment 10 for bug 69307

You know, "I was able to replicate it by disabling the net-pf-10 alias in /etc/modprobe.d/" sounds like "I intensively tried to break IPv6, and I succeeded". Yes it is listed upstream, and I am upstream in fact, and we will probably fix this issue in due course. It's just that I made this decision for Debian because we wanted pervasive IPv6 support and that I personally support the adoption of IPv6.

And I did not intend to deliberately break it, but instead I ensured that it is compliant to the default kernel in both Ubuntu and Debian. That's why I sound that rude.