Code review comment for ~mitchdz/ubuntu/+source/nginx:mitch/add-moutline-atomic

Autopkgtest results:
* Results:
  - nginx/1.18.0-0ubuntu1.5~focal1
    + ✅ nginx on focal for amd64 @ 04.04.24 21:22:11
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-focal-mitchdz-lp2024019-moutline-atomic/focal/amd64/n/nginx/20240404_212211_49bde@/log.gz
    + ✅ nginx on focal for arm64 @ 04.04.24 19:18:03
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-focal-mitchdz-lp2024019-moutline-atomic/focal/arm64/n/nginx/20240404_191803_775a6@/log.gz
    + ✅ nginx on focal for armhf @ 05.04.24 17:08:03
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-focal-mitchdz-lp2024019-moutline-atomic/focal/armhf/n/nginx/20240405_170803_6169b@/log.gz
    + ❌ nginx on focal for i386 @ 04.04.24 23:25:39
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-focal-mitchdz-lp2024019-moutline-atomic/focal/i386/n/nginx/20240404_232539_e271d@/log.gz
      • Status: FAIL
      • light-simple FAIL 🟥
      • core-simple FAIL 🟥
      • lua FAIL 🟥
      • full-simple FAIL 🟥
      • extras-simple FAIL 🟥
      • full-module-deps FAIL 🟥
      • light-module-deps FAIL 🟥
      • core-module-deps FAIL 🟥
      • extras-module-deps FAIL 🟥
    + ✅ nginx on focal for ppc64el @ 04.04.24 19:07:48
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-focal-mitchdz-lp2024019-moutline-atomic/focal/ppc64el/n/nginx/20240404_190748_3f761@/log.gz
    + ✅ nginx on focal for s390x @ 04.04.24 19:10:12
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-focal-mitchdz-lp2024019-moutline-atomic/focal/s390x/n/nginx/20240404_191012_b191a@/log.gz

i386 has been failing since 2019 due to uninstallable packages - https://autopkgtest.ubuntu.com/packages/nginx/focal/i386 so not an issue.