---
- name: Registering network name
  set_fact:
    nname_1: "{{ name_prefix ~ '-network-1' }}"
    nname_2: "{{ name_prefix ~ '-network-2' }}"
- name: Registering network name
  set_fact:
    dnetworks: "{{ dnetworks }} + [nname_1, nname_2]"

####################################################################
## internal ########################################################
####################################################################

- name: internal
  docker_network:
    name: "{{ nname_1 }}"
    internal: yes
  register: internal_1

- name: internal (idempotency)
  docker_network:
    name: "{{ nname_1 }}"
    internal: yes
  register: internal_2

- name: internal (change)
  docker_network:
    name: "{{ nname_1 }}"
    internal: no
  register: internal_3

- name: cleanup
  docker_network:
    name: "{{ nname_1 }}"
    state: absent
    force: yes

- assert:
    that:
    - internal_1 is changed
    - internal_2 is not changed
    - internal_3 is changed