On Mon, Aug 29, 2022 at 03:20:54PM -0700, Eric Dumazet wrote:

Sorry, this is adding yet another bottleneck, and will make DDOS
attacks based on fragments more effective.

Whole concept of 'peers' based on IPv6 addresses is rather weak, as
hosts with IPv6 can easily
get millions of different 'addresses'.

I understand the problem with the implementation. Since peers don't 
carry much weight in IPv6, this patch can be dropped.