Merge in DNS/adguard-home from fix-close to master Squashed commit of the following: commit 43b55105cc669e2740ef178808c81a22c8f53cc1 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Feb 1 19:19:12 2021 +0300 dnsforward: fix closing of uninitialized ipset ctx