Description of problem:
TASK [standalone : Parse container params fails in periodic-tripleo-ci-rhel-9-standalone-on-multinode-ipa-tripleo-rhos-17


Version-Release number of selected component (if applicable):
rhos 17 on rhel 9

How reproducible:
The issue is consistent since 2022-07-28 20:57:11

Steps to Reproduce:
1. Install quickstart
2. It fails in TASK [standalone : Parse container params]
3.

Actual results:
logs/undercloud/home/zuul/containers-prepare-parameters.yaml file contains
parameter_defaults:
  ContainerImagePrepare:
  - set:
        .
        .
        .
    tag_from_label: '{version}-{release}'

Expected results:
Passing job's logs/undercloud/home/zuul/containers-prepare-parameters.yaml file contains
parameter_defaults:
    ContainerImagePrepare:
    -   modify_append_tag: ...
        modify_only_with_source:
        - ..
        - ..
        modify_role: ..
        modify_vars:
            tasks_from: ..
            update_repo: ..
            yum_repos_dir_path: ..
        push_destination: ..
        set:
            .
            .
            .

Additional info: