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

[Samuel Holland]

On 12/09/18 20:05, Jason A. Donenfeld wrote:
> On Mon, Dec 10, 2018 at 3:04 AM Samuel Holland <samuel at sholland.org> wrote:
>>
>> 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
> 
> Does that work in kernels < 3.17?
> 

Oh, sorry, no it doesn't :( While it uses a totally different way of accessing
the device (so I thought it might still work), it's just another way of setting
addr_gen_mode.