kublet.service looking for kubelet.conf file that doesn't exist

[thecatwasnot]

Trying to bootstrap a Container Linux (CoreOS) cluster with kubeadm-installer, thanks for all the good work!
My node's kubelet is failing to start looking for a kubelet.conf file that does not exist on the system. I don't see one generated by the installer, is this a change in kubeadm setup? Should I be providing one for the system?
Logs:

Jan 21 14:23:07 core-01-node systemd[1]: kubelet.service: Scheduled restart job, restart counter is at 1.              
Jan 21 14:23:07 core-01-node systemd[1]: Stopped kubelet: The Kubernetes Node Agent.                                   
Jan 21 14:23:07 core-01-node systemd[1]: Started kubelet: The Kubernetes Node Agent.                                   
Jan 21 14:23:07 core-01-node kubelet-wrapper[1936]: KUBELET_VERSION environment variable is deprecated, please use KUBELET_IMAGE_TAG instead                                                                                                   
Jan 21 14:23:07 core-01-node kubelet-wrapper[1936]: + exec /usr/bin/rkt run --volume opt-cni,kind=host,source=/opt/cni --mount volume=opt-cni,target=/opt/cni --volume etc-cni,kind=host,source=/etc/cni --mount volume=etc-cni,target=/etc/cni
Jan 21 14:23:08 core-01-node kubelet-wrapper[1936]: Flag --require-kubeconfig has been deprecated, You no longer need to use --require-kubeconfig. This will be removed in a future version. Providing --kubeconfig enables API server mode, om
Jan 21 14:23:08 core-01-node kubelet-wrapper[1936]: I0121 14:23:08.812095    1936 server.go:182] Version: v1.9.2+coreos.0                                                                                                                      
Jan 21 14:23:08 core-01-node kubelet-wrapper[1936]: I0121 14:23:08.812326    1936 feature_gate.go:220] feature gates: &{{} map[]}                                                                                                              
Jan 21 14:23:08 core-01-node kubelet-wrapper[1936]: W0121 14:23:08.812621    1936 server.go:280] --require-kubeconfig is deprecated. Set --kubeconfig without using --require-kubeconfig.                                                      
Jan 21 14:23:08 core-01-node kubelet-wrapper[1936]: W0121 14:23:08.812979    1936 cni.go:171] Unable to update cni config: No networks found in /etc/cni/net.d                                                                                 
Jan 21 14:23:08 core-01-node kubelet-wrapper[1936]: I0121 14:23:08.835305    1936 plugins.go:101] No cloud provider specified.                                                                                                                 
Jan 21 14:23:08 core-01-node kubelet-wrapper[1936]: Error: failed to run Kubelet: invalid kubeconfig: stat /etc/kubernetes/kubelet.conf: no such file or directory                                                             

kubelet.service file:

  [Unit]
  Description=kubelet: The Kubernetes Node Agent
  Documentation=http://kubernetes.io/docs/

  [Service]
  Environment="KUBELET_VERSION=v1.9.2_coreos.0"
  Environment="KUBELET_IMAGE_TAG=v1.9.2_coreos.0"
  Environment="RKT_RUN_ARGS=--volume opt-cni,kind=host,source=/opt/cni --mount volume=opt-cni,target=/opt/cni --volume etc-cni,kind=host,source=/etc/cni --mount volume=etc-cni,target=/etc/cni"
  ExecStart=/usr/lib/coreos/kubelet-wrapper --kubeconfig=/etc/kubernetes/kubelet.conf     --require-kubeconfig=true     --pod-manifest-path=/etc/kubernetes/manifests     --allow-privileged=true     --network-plugin=cni     --cni-conf-dir=/etc/cni/net.d --cni-bin-dir=/opt/cni/bin     --cluster-dns=10.96.0.10 --cluster-domain=cluster.local
  Restart=always
  StartLimitInterval=0
  RestartSec=10

  [Install]
  WantedBy=multi-user.target

CoreOS v 1662.0.0
I'm pulling the 'latest' tag on the kubeadm-installer

@xakraz