Merge in DNS/adguard-home from fix-ipset to master
Squashed commit of the following:
commit 18538b0276a0896ad7d99bd0edd1604af80e790f
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date: Mon Feb 1 20:30:13 2021 +0300
dnsforward: add a crutch against einval for ipset