kubespray/roles/network_plugin/canal/handlers/main.yml

---
- name: reset_canal_cni
  command: /bin/true
  notify:
    - delete 10-canal.conflist
    - delete canal-node containers

- name: delete 10-canal.conflist
  file:
    path: /etc/canal/10-canal.conflist
    state: absent

- name: delete canal-node containers
  shell: "docker ps -af name=k8s_POD_canal-node* -q | xargs --no-run-if-empty docker rm -f"