At the moment Ansible will escalate privileges when connecting to containers when `become: True`. Without escalation attempt to attach to container is doomed to fail with insufficient privileges. However, always having become enable will also result in privilege escalation inside of the container, which might be not anticipated as that will override `container_user`. Depends-On: https://review.opendev.org/c/openstack/openstack-ansible-tests/+/925746 Depends-On: https://review.opendev.org/c/openstack/openstack-ansible-tests/+/926149 Change-Id: I101b2d0a3d0ac23ea48caadab10303ba20835e9a