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Subject: Re: When your server boots too fast: How to slow it down?
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References: <20160611174849.GA2453@box-hlm-03.niklaas.eu>
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On 2016-06-11 13:04, Niklaas Baudet von Gersdorff wrote:
> Niklaas Baudet von Gersdorff [2016-06-11 21:32 +0200] :
>
>> in rc.conf because the public IPv4 is assigned by the router.
>> However, changing it to SYNCDHCP helped only partly. Now,
>> tincd starts but both postfix and sshd still fail.
>
> Additionally to SYNCDHCP, I added the following three lines:
>
>   netwait_enable="YES"
>   netwait_if="<interface>"
>   netwait_ip="<IPv6>"
>
> This solves the problem. But this also requires me to predict
> the IPv6 that the server gets from the router. In this special
> case I know it because my provider will only assign me one in
> particular. But maybe there's something like SYNCDHCP for IPv6
> too?

Statically configure the interface in rc.conf.  You already have it 
statically configured elsewhere in the system, so save yourself the race 
condition headache and make it static in rc.conf, too.