Ansible random list choice in a loop

---
    - hosts: localhost
      
      vars:
        mydomain: mytest.com
        moons:
          - moon
          - deimos
          - styx
          
      tasks:
        # actual: always retries the same 'item'
        # expected: re-execute the random_choice on each retry
        # NOT WORKING AS EXPECTED
        - name: Reserve DNS cname to avoid race conditions, fail early!
          route53:
              state: present
              zone: "{{ mydomain }}"
              record: "{{ item }}.{{ mydomain }}"
              type: CNAME
              ttl: 7200
              value: 1.1.1.1
              wait: no
              overwrite: no
          register: result
          with_random_choice: "{{ moons }}"
          retries: 5
          until: result.changed == true

        # NOT WORKING AS EXPECTED
        - name: (another not-working example) Reserve DNS cname to avoid race conditions, fail early!
          route53:
              state: present
              zone: "{{ mydomain }}"
              record: "{{ moons | random }}.{{ mydomain }}"
              type: CNAME
              ttl: 7200
              value: 1.1.1.1
              wait: no
              overwrite: no
          register: result
          retries: 5
          until: result.changed == true
          
        # NOT WORKING AS EXPECTED
        - name: (another not-working example) Reserve DNS cname to avoid race conditions, fail early!
          route53:
              state: present
              zone: "{{ mydomain }}"
              record: "{{ item }}.{{ mydomain }}"
              type: CNAME
              ttl: 7200
              value: 1.1.1.1
              wait: no
              overwrite: no
          register: result
          with_items: "{{ moons | random }}"
          until: result.changed == true
          
        # WORKS AS EXPECTED: retry a task 2 times with random list elements supplied to the loop
        # 
        - include: inner_loop_tasks.yml
          loop: "{{ (moons | shuffle)[:2] }}"
      
        # inner_loop_tasks.yml
        # - name: Reserve DNS cname to avoid race conditions, fail early!
        #   route53:
        #     state: present
        #     zone: "{{ mydomain }}"
        #     record: "{{ item }}.{{ mydomain }}"
        #     type: CNAME
        #     ttl: 7200
        #     value: 1.1.1.1
        #     wait: no
        #     overwrite: no
        #  register: result
        #  when:
        #    - moon_name is not defined
        #
        #  - set_fact:
        #      moon_name: "{{ item }}"
        #    when: result.changed == true