Merge branch 'master' into staging

content/rancher/v2.x/en/installation/ha/kubernetes-rke/_index.md

@@ -14,12 +14,15 @@ Using the sample below create the `rancher-cluster.yml` file. Replace the IP Add
 ```yaml
 nodes:
   - address: 165.227.114.63
+    internal_address: 172.16.22.12
     user: ubuntu
     role: [controlplane,worker,etcd]
   - address: 165.227.116.167
+    internal_address: 172.16.32.37
     user: ubuntu
     role: [controlplane,worker,etcd]
   - address: 165.227.127.226
+    internal_address: 172.16.42.73
     user: ubuntu
     role: [controlplane,worker,etcd]
 ```