add CHANGES note

(cherry picked from commit c1bc3baf)
14 jobs for 445-filter-aaaa-and-dns64-can-both-attempt-to-recurse-for-a-records-at-the-same-time-v9_12 in 7 minutes and 35 seconds (queued for 10 seconds)
Status Job ID Name Coverage
  Precheck
passed precheck:debian:sid:amd64 #44424
amd64 docker linux

00:00:13

 
  Build
passed build:centos:centos6:amd64 #44425
amd64 docker linux

00:02:36

passed build:centos:centos7:amd64 #44426
amd64 docker linux

00:02:17

passed build:debian:sid:amd64 #44427
amd64 docker linux

00:02:12

passed build:debian:sid:i386 #44428
i386 docker linux

00:01:47

 
  Test
passed install:debian:sid:amd64 #44437
amd64 docker linux

00:02:20

passed systemtest:centos:centos6:amd64 #44433
amd64 docker linux

00:04:42

passed systemtest:centos:centos7:amd64 #44434
amd64 docker linux

00:04:36

passed systemtest:debian:sid:amd64 #44435
amd64 docker linux

00:04:38

passed systemtest:debian:sid:i386 #44436
i386 docker linux

00:04:40

passed unittest:centos:centos6:amd64 #44429
amd64 docker linux

00:00:53

passed unittest:centos:centos7:amd64 #44430
amd64 docker linux

00:00:58

passed unittest:debian:sid:amd64 #44431
amd64 docker linux

00:00:51

passed unittest:debian:sid:i386 #44432
i386 docker linux

00:00:52