[dnsdist] Uptime always resetted?

[Stephane Bortzmeyer]

On Wed, Sep 16, 2020 at 04:57:59PM +0200,
 Winfried Angele <abang at t-ipnet.net> wrote 
 a message of 47 lines which said:

> I'm using 2.2.6 since its release and have never had a problem with
> it. Worth a try I'd say. It would also be interesting if you could
> somehow narrow it down to give the developers a chance to fix it.

I downgraded h2o to 2.2.6 (instead of the 2.3 beta) and, indeed, no
more crashes.