kubeadm token list
TOKEN TTL EXPIRES USAGES DESCRIPTION EXTRA GROUPS
c39ox1.v2c9gxumnw6eelv1 <invalid>#無效的 2019-01-23T05:07:30-05:00 authentication,signing The default bootstrap token generated by 'kubeadm init'. system:bootstrappers:kubeadm:default-node-token
kubeadm token create
oefzfi.gpvudofdekjkqh5z