zic@Sword:~$ for i in mth-k8smaster-01 mth-k8smaster-02 mth-k8smaster-03; do ssh $i cat /srv/kubernetes/known_tokens.csv && echo; done
kX8OXz5oik9MxqXYpupO1ZAT6AZx29ig,kube_proxy,kube_proxy
UoYCMgnztcXGk6bQXbPqRWde2ucvpMNQ,kube_proxy,kube_proxy
p7xijG8gQoo5SwwnloHypXtVOryDS2vN,kube_proxy,kube_proxy