- Kubeadm: added support for the flag `--print-manifest` to the addon phases `kube-proxy` and `coredns` of `kubeadm init phase addon`. If this flag is `usedkubeadm` will not apply a given addon and instead print to the terminal the API objects that will be applied. ([#109995](https://github.com/kubernetes/kubernetes/pull/109995), [@wangyysde](https://github.com/wangyysde))

```console
helm install istio-cni istio/cni -n kube-system
```

Installation in `kube-system` is recommended to ensure the [`system-node-critical`](https://kubernetes.io/docs/tasks/administer-cluster/guaranteed-scheduling-critical-addon-pods/)
`priorityClassName` can be used. You can install in other namespace only on K8S clusters that allow
'system-node-critical' outside of kube-system.

## Configuration

* Upgrade Elasticsearch/Kibana to 5.5.1 in fluentd-elasticsearch addon ([#48722](https://github.com/kubernetes/kubernetes/pull/48722), [@aknuds1](https://github.com/aknuds1))
        * Switch to basing our image of Elasticsearch in fluentd-elasticsearch addon off the official one
        * Switch to the official image of Kibana in fluentd-elasticsearch addon

- Kubeadm: removed the usage of the `--container-runtime=remote` flag for the kubelet during kubeadm init/join/upgrade. The flag...