[lxc-users] Race condition in IPv6 network configuration

[Marat Khalili]

On 07/11/17 13:45, MegaBrutal wrote:

> First of all, I also suggest you to comment out the line
> "lxc.net.0.flags = up" in your LXC container configuration
> (/var/lib/lxc/containername/config).
Will definitely try it, although since it happens so rarely in my case 
(approximately once per month in different containers) it will take some 
time to confirm the solution.

> I also tried ifdown, but that usually doesn't work, because as far as
> the system is concerned, the interface is not configured (as it failed
> configuration when ifupdown tried to bring it up, so it is in a
> half-configured state).
Looks tough.

>> 3) Write systemd service for this if you have enough time at hand, then
>> share it :)
> Yes, but it feels like a workaround. I'd prefer to know the cause and
> find a better solution.
Me too. Just a wild idea: you could try to play with ip6tables to find 
out what process sends RA requests, and also (another workaround) to 
filter out corresponding packets.

--

With Best Regards,
Marat Khalili