Description of problem:
When WMCO config Windows machines, found following message in nodeconfig log:
2020-07-24T08:35:13.261Z	DEBUG	nodeconfig	worker label %s already present on node %s	{"node-role.kubernetes.io/worker": "ip-10-0-151-105.us-east-2.compute.internal"}
seems like "%s" can not be recognized in https://github.com/openshift/windows-machine-config-operator/blob/9de618aa7d273e8bdfaff782ec6ce61f6b894770/pkg/controller/windowsmachine/nodeconfig/nodeconfig.go#L184

Version-Release number of selected component (if applicable):
OCP version: 4.6.0-0.nightly-2020-07-24-002417
windows-machine-config-operator git commit: 9de618aa7d273e8bdfaff782ec6ce61f6b894770

How reproducible:
Always

Steps to Reproduce:
1. Install OCP cluster and run WMCO operator
2. Create a Windows machineset, check WMCO log

# oc logs -f deployment.apps/windows-machine-config-operator
...
2020-07-24T08:27:59.854Z	INFO	windowsmachine-controller	reconciling	{"namespace": "openshift-machine-api", "name": "sgao-d2wtc-windows-worker-us-east-2a-6nr8v"}
2020-07-24T08:27:59.862Z	DEBUG	windowsmachine-controller	configuring the Windows VM	{"ID": "i-0181b2e1f467b1298"}
2020-07-24T08:30:11.982Z	DEBUG	VM i-0181b2e1f467b1298	SSH dial	{"IP Address": "10.0.151.105", "error": "dial tcp 10.0.151.105:22: connect: connection timed out"}
2020-07-24T08:33:20.398Z	DEBUG	VM i-0181b2e1f467b1298	SSH dial	{"IP Address": "10.0.151.105", "error": "dial tcp 10.0.151.105:22: connect: connection timed out"}
2020-07-24T08:34:53.685Z	DEBUG	VM i-0181b2e1f467b1298	ignition file download	{"cmd": "C:\\Temp\\wget-ignore-cert.ps1 -server https://api-int.sgao.qe.devcluster.openshift.com:22623/config/worker -output C:\\Windows\\Temp\\worker.ign -useragent Ignition/0.35.0", "output": ""}
2020-07-24T08:34:58.255Z	DEBUG	VM i-0181b2e1f467b1298	output from wmcb	{"output": "Bootstrapping completed successfully"}
2020-07-24T08:35:13.261Z	DEBUG	nodeconfig	worker label %s already present on node %s	{"node-role.kubernetes.io/worker": "ip-10-0-151-105.us-east-2.compute.internal"}
2020-07-24T08:38:08.664Z	DEBUG	VM i-0181b2e1f467b1298	started service	{"name": "kube-proxy", "binary": "C:\\k\\kube-proxy.exe", "args": "--windows-service --v=4 --proxy-mode=kernelspace --feature-gates=WinOverlay=true --hostname-override=ip-10-0-151-105.us-east-2.compute.internal --kubeconfig=c:\\k\\kubeconfig --cluster-cidr=10.132.0.0/24 --log-dir=C:\\k\\log\\kube-proxy\\ --logtostderr=false --network-name=OVNKubernetesHybridOverlayNetwork --source-vip=10.132.0.23 --enable-dsr=false"}
2020-07-24T08:38:08.664Z	INFO	windowsmachine-controller	Windows VM has joined the cluster as a worker node	{"ID": "i-0181b2e1f467b1298"}
2020-07-24T08:38:08.664Z	DEBUG	controller-runtime.controller	Successfully Reconciled	{"controller": "windowsmachine-controller", "request": "openshift-machine-api/sgao-d2wtc-windows-worker-us-east-2a-6nr8v"}
2020-07-24T08:38:08.664Z	INFO	windowsmachine-controller	reconciling	{"namespace": "openshift-machine-api", "name": "sgao-d2wtc-windows-worker-us-east-2a-6nr8v"}
2020-07-24T08:38:08.665Z	DEBUG	controller-runtime.manager.events	Normal	{"object": {"kind":"Machine","namespace":"openshift-machine-api","name":"sgao-d2wtc-windows-worker-us-east-2a-6nr8v","uid":"637fa39c-1c09-476f-a21a-e68c202fddfa","apiVersion":"machine.openshift.io/v1beta1","resourceVersion":"297231"}, "reason": "WMCO Setup", "message": "Machine sgao-d2wtc-windows-worker-us-east-2a-6nr8v Configured Successfully"}
2020-07-24T08:38:08.673Z	DEBUG	controller-runtime.controller	Successfully Reconciled	{"controller": "windowsmachine-controller", "request": "openshift-machine-api/sgao-d2wtc-windows-worker-us-east-2a-6nr8v"}


Actual results:
ill log format "nodeconfig	worker label %s already present on node %s"

Expected results:
log format correct

Additional info: