Should wg-quick with SaveConfig accumulate IPv6 link-local addresses

[Samuel Holland]

On 12/09/18 19:15, Jason A. Donenfeld wrote:
> This is mostly just a CentOS issue. On older kernels, we don't
> successfully disable LLv6:
> https://git.zx2c4.com/WireGuard/tree/src/compat/compat.h#n583
> 
> There's probably a way to backport that tweak to before 3.17, but I
> haven't spent time on it. Feel free to send a patch, and if it's clean
> and fits entirely into compat.h, I'll gladly apply it.

You can also work around this in wg-quick by changing up_if() to

  cmd ip link set "$INTERFACE" up addrgenmode none