kubespray/roles/kubernetes/node/templates/systemd-init/kube-proxy.service.j2

[Unit]
Description=Kubernetes Kube-Proxy Server
Documentation=https://github.com/GoogleCloudPlatform/kubernetes
{% if overlay_network_plugin|default('') %}
After=docker.service calico-node.service
{% else %}
After=docker.service
{% endif %}

[Service]
EnvironmentFile=/etc/network-environment
ExecStart={{ bin_dir }}/kube-proxy \
	    $KUBE_LOGTOSTDERR \
	    $KUBE_LOG_LEVEL \
	    $KUBE_MASTER \
	    $KUBE_PROXY_ARGS
Restart=on-failure
LimitNOFILE=65536

[Install]
WantedBy=multi-user.target