Merge branch 'branch-1.16.3'

diff --cc doc/Changelog
index ba5cd8841405f0c2f070c0ae8e7748f51e7a1974,78f6c7afcb2752cfdb0d90fdc488f9caa060fac5..4bc6b695c00aeadb36c02f15a231c45e2fed3601
--- 1/doc/Changelog
--- 2/doc/Changelog
+++ b/doc/Changelog
@@@ -1,56 -1,6 +1,59 @@@
+ 21 September 2022: Wouter
+       - Patch for CVE-2022-3204 Non-Responsive Delegation Attack.
+ 
 +20 September 2022: George
 +      - Convert tdir tests to use the new skip_test functionality.
 +      - Remove unused testcode/mini_tpkg.sh file.
 +
 +16 September 2022: George
 +      - Merge #753: ACL per interface. (New interface-* configuration
 +        options).
 +
 +2 September 2022: Wouter
 +      - Remove include that was there for debug purposes.
 +      - Fix to check pthread_t size after pthread has been detected.
 +
 +1 September 2022: Wouter
 +      - Fix to update config tests to fix checking if nonblocking sockets
 +        work on OpenBSD.
 +      - Slow down log frequency of write wait failures.
 +      - Fix to set out of file descriptor warning to operational verbosity.
 +      - Fix to log a verbose message at operational notice level if a
 +        thread is not responding, to stats requests. It is logged with
 +        thread identifiers.
 +
 +31 August 2022: Wouter
 +      - Fix to avoid process wide fcntl calls mixed with nonblocking
 +        operations after a blocked write.
 +      - Patch from Vadim Fedorenko that adds MSG_DONTWAIT to receive
 +        operations, so that instruction reordering does not cause mistakenly
 +        blocking socket operations.
 +      - Fix to wait for blocked write on UDP sockets, with a timeout if it
 +        takes too long the packet is dropped.
 +      - Fix for wait for udp send to stop when packet is successfully sent.
 +
 +22 August 2022: Wouter
 +      - Fix #741: systemd socket activation fails on IPv6.
 +
 +12 August 2022: Wouter
 +      - Fix to log accept error ENFILE and EMFILE errno, but slowly, once
 +        per 10 seconds. Also log accept failures when no slow down is used.
 +
 +5 August 2022: Wouter
 +      - Fix #734 [FR] enable unbound-checkconf to detect more (basic)
 +        errors.
 +
 +4 August 2022: Wouter
 +      - Fix ratelimit inconsistency, for ip-ratelimits the value is the
 +        amount allowed, like for ratelimits.
 +
 +2 August 2022: Wouter
 +      - Fix edns subnet so that scope 0 answers only match sourcemask 0
 +        queries for answers from cache if from a query with sourcemask 0.
 +      - Fix unittest for edns subnet change.
 +      - Merge #730 from luisdallos: Fix startup failure on Windows 8.1 due
 +        to unsupported IPV6_USER_MTU socket option being set.
 +
  1 August 2022: Wouter
        - Fix the novel ghost domain issues CVE-2022-30698 and CVE-2022-30699.
        - Tests for ghost domain fixes.