Merge in DNS/adguard-home from 2688-dhcp-opt-ip to master Updates #2688. Squashed commit of the following: commit e17e003a3a61c1f4ed55617bb61df721cbca12c1 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Tue Feb 16 17:10:32 2021 +0300 dhcpd: fix ip option parsing