okd/roles/node-network-manager/tasks/main.yml

---
- name: install NetworkManager
  package:
    name: NetworkManager
    state: present

- name: configure NetworkManager
  lineinfile:
    dest: "/etc/sysconfig/network-scripts/ifcfg-{{ ansible_default_ipv4['interface'] }}"
    regexp: '^{{ item }}='
    line: '{{ item }}=yes'
    state: present
    create: yes
  with_items:
  - 'USE_PEERDNS'
  - 'NM_CONTROLLED'

- name: enable and start NetworkManager
  service:
    name: NetworkManager
    state: restarted
    enabled: yes