Adding recursive=true for rkt kubelet dir

Fixes #1434

roles/kubernetes/node/templates/kubelet.rkt.service.j2

@@ -30,7 +30,7 @@ ExecStart=/usr/bin/rkt run \
         --volume {{ dir | regex_replace('^/(.*)$', '\\1' ) | regex_replace('/', '-') }},kind=host,source={{ dir }},readOnly=true \
         {% endfor -%}
         --volume var-lib-docker,kind=host,source={{ docker_daemon_graph }},readOnly=false \
-        --volume var-lib-kubelet,kind=host,source=/var/lib/kubelet,readOnly=false \
+        --volume var-lib-kubelet,kind=host,source=/var/lib/kubelet,readOnly=false,recursive=true \
         --volume var-log,kind=host,source=/var/log \
 {% if kube_network_plugin in ["calico", "weave", "canal"] %}
         --volume etc-cni,kind=host,source=/etc/cni,readOnly=true \