Comment 9 for bug 1642514

> Note that the iproute2 patch will be needed to use this filter:
>
> https://git.kernel.org/cgit/linux/kernel/git/shemminger/iproute2.git/commit/?id=d5cbf3ff0561
> (embedded headers must be updated also).

This link is dead, here is another one:
https://git.kernel.org/pub/scm/network/iproute2/iproute2.git/commit/?id=d5cbf3ff0561