$ oc get mc 01-master-kubelet -o json | jq -r '.spec.config.systemd.units | .[] | select(.name=="kubelet.service") | .contents'
[Unit]
Description=Kubernetes Kubelet
Wants=rpc-statd.service network-online.target
Requires=crio.service kubelet-auto-node-size.service
After=network-online.target crio.service kubelet-auto-node-size.service
After=ostree-finalize-staged.service

[Service]
Type=notify
ExecStartPre=/bin/mkdir --parents /etc/kubernetes/manifests
ExecStartPre=/bin/rm -f /var/lib/kubelet/cpu_manager_state
ExecStartPre=/bin/rm -f /var/lib/kubelet/memory_manager_state
EnvironmentFile=/etc/os-release
EnvironmentFile=-/etc/kubernetes/kubelet-workaround
EnvironmentFile=-/etc/kubernetes/kubelet-env
EnvironmentFile=/etc/node-sizing.env

ExecStart=/usr/local/bin/kubenswrapper \
    /usr/bin/kubelet \
      --config=/etc/kubernetes/kubelet.conf \
      --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
      --kubeconfig=/var/lib/kubelet/kubeconfig \
      --container-runtime=remote \
      --container-runtime-endpoint=/var/run/crio/crio.sock \
      --runtime-cgroups=/system.slice/crio.service \
      --node-labels=node-role.kubernetes.io/control-plane,node-role.kubernetes.io/master,node.openshift.io/os_id=${ID} \
      --node-ip=${KUBELET_NODE_IP} \
      --minimum-container-ttl-duration=6m0s \
      --cloud-provider= \
      --volume-plugin-dir=/etc/kubernetes/kubelet-plugins/volume/exec \
       \
      --hostname-override=${KUBELET_NODE_NAME} \
      --provider-id=${KUBELET_PROVIDERID} \
      --register-with-taints=node-role.kubernetes.io/master=:NoSchedule \
      --pod-infra-container-image=quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:4c0a1b82501a416df4b926801bc3aa378d2762d0570a0791c6675db1a3365c62 \
      --system-reserved=cpu=${SYSTEM_RESERVED_CPU},memory=${SYSTEM_RESERVED_MEMORY},ephemeral-storage=${SYSTEM_RESERVED_ES} \
      --v=${KUBELET_LOG_LEVEL}

Restart=always
RestartSec=10

[Install]
WantedBy=multi-user.target