Change default for kubelet_flexvolumes_plugins_dir (#4752)

roles/kubernetes/node/defaults/main.yml

@@ -50,7 +50,7 @@ loadbalancer_apiserver_cpu_requests: 25m
 #   - extensions/v1beta1/daemonsets=true
 #   - extensions/v1beta1/deployments=true
 
-kubelet_flexvolumes_plugins_dir: /var/lib/kubelet/volume-plugins
+kubelet_flexvolumes_plugins_dir: /usr/libexec/kubernetes/kubelet-plugins/volume/exec
 
 # A port range to reserve for services with NodePort visibility.
 # Inclusive at both ends of the range.