ansible/test/integration/targets/special_vars_hosts/inventory

successful ansible_connection=local ansible_host=127.0.0.1 ansible_python_interpreter="{{ ansible_playbook_python }}"
failed ansible_connection=local ansible_host=127.0.0.1 ansible_python_interpreter="{{ ansible_playbook_python }}"
unreachable ansible_connection=ssh ansible_host=127.0.0.1 ansible_port=1011  # IANA Reserved port