Code review comment for ~rafaeldtinoco/ubuntu/+source/bind9:eoan-bind9-merge

As discussed on IRC, this needs to be redone to accomodate the 4ubuntu2 upload done to eoan by security, which git-ubuntu just imported (it was stuck).
commit 81c24107e4969cc8dfb6ff3fe18b5a96cde0ddd8 (HEAD -> ubuntu/devel, pkg/ubuntu/devel)
Author: Marc Deslauriers <email address hidden>
Date: Thu Jun 20 08:15:00 2019 -0400

    Import patches-unapplied version 1:9.11.5.P4+dfsg-4ubuntu2 to ubuntu/eoan-proposed

    Imported using git-ubuntu import.

    Changelog parent: 0f045194cca300cc1dd6af415a6af848b65d6a3a

    New changelog entries:
      * SECURITY UPDATE: DoS via malformed packets
        - debian/patches/CVE-2019-6471.patch: fix race condition in
          lib/dns/dispatch.c.
        - CVE-2019-6471