Kubernetes

Run upgrade node pre-flight checks

Run pre-flight checks for kubeadm upgrade node.

kubeadm upgrade node phase preflight [flags]

-h, --help
	help for preflight
--ignore-preflight-errors strings
	A list of checks whose errors will be shown as warnings. Example: 'IsPrivilegedUser,Swap'. Value 'all' ignores errors from all checks.

--rootfs string
	The path to the 'real' host root filesystem. This will cause kubeadm to chroot into the provided path.

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