Merge pull request #40994 from xilabao/update-kubeadm-usage-message

Automatic merge from submit-queue (batch tested with PRs 40978, 40994, 41008, 40622)

update kubeadm usage message
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Kubernetes Submit Queue 2017-02-06 06:45:06 -08:00 committed by GitHub
commit 53f48f129c