Fixes kubeadm 857

updated manifest file to always pass spec.nodeName as the --hostname-override.

cmd/kubeadm/app/phases/addons/proxy/manifests.go

@@ -80,6 +80,7 @@ spec:
         command:
         - /usr/local/bin/kube-proxy
         - --config=/var/lib/kube-proxy/{{ .ProxyConfigMapKey }}
+        - --hostname-override=$(NODE_NAME)
         securityContext:
           privileged: true
         volumeMounts:
@@ -91,6 +92,11 @@ spec:
         - mountPath: /lib/modules
           name: lib-modules
           readOnly: true
+        env:
+          - name: NODE_NAME
+            valueFrom:
+              fieldRef:
+                fieldPath: spec.nodeName
       hostNetwork: true
       serviceAccountName: kube-proxy
       volumes: