Merge pull request #2972 from mattymo/force_cni_cp

roles/kubernetes/master/tasks/main.yml

roles/network_plugin/calico/tasks/main.yml

roles/network_plugin/canal/tasks/main.yml

roles/network_plugin/cloud/tasks/main.yml

roles/network_plugin/contiv/tasks/main.yml

roles/network_plugin/weave/tasks/main.yml