老师，我的卡在这步了，TASK [kubernetes/master : kubeadm | Create kubeadm config] >，求解惑。

到节点上手动执行，然后看到报错如下：（已设置科学上网）

/usr/local/bin/kubeadm --kubeconfig /etc/kubernetes/admin.conf token create -v 5
I0615 14:20:40.180657 20063 token.go:121] [token] validating mixed arguments
I0615 14:20:40.180769 20063 token.go:130] [token] getting Clientsets from kubeconfig file
I0615 14:20:40.182628 20063 token.go:243] [token] loading configurations
I0615 14:20:40.182956 20063 interface.go:400] Looking for default routes with IPv4 addresses
I0615 14:20:40.182972 20063 interface.go:405] Default route transits interface "enp0s5"
I0615 14:20:40.183202 20063 interface.go:208] Interface enp0s5 is up
I0615 14:20:40.183293 20063 interface.go:256] Interface “enp0s5” has 4 addresses :[10.211.55.3/24 fdb2:2c26:f4e4:0:1c92:d035:1815:77c7/64 fdb2:2c26:f4e4:0:a64e:ac48:ca75:3ea6/64 fe80::5227:eba:a589:a25b/64].
I0615 14:20:40.183351 20063 interface.go:223] Checking addr 10.211.55.3/24.
I0615 14:20:40.183380 20063 interface.go:230] IP found 10.211.55.3
I0615 14:20:40.183408 20063 interface.go:262] Found valid IPv4 address 10.211.55.3 for interface “enp0s5”.
I0615 14:20:40.183431 20063 interface.go:411] Found active IP 10.211.55.3
W0615 14:20:40.183665 20063 configset.go:202] WARNING: kubeadm cannot validate component configs for API groups [kubelet.config.k8s.io kubeproxy.config.k8s.io]
I0615 14:20:40.183706 20063 token.go:255] [token] creating token