kubernetes/cmd/kubeadm/app/util/config/strict/testdata/invalid_duplicate_field_initcfg.yaml

apiVersion: kubeadm.k8s.io/v1beta4
kind: InitConfiguration
bootstrapTokens:
- token: "9a08jv.c0izixklcxtmnze7"
bootstrapTokens:
- token: "9a08jv.c0izixklcxtmnze7"