nginx-01IP:192.168.0.221
K8S-Master01IP:192.168.0.218
K8S-Node03IP:192.168.0.217
K8S-Master02IP:192.168.0.219
etcd-03IP:192.168.0.214
K8S-Node02IP:192.168.0.216
K8S-Node01IP:192.168.0.215
etcd-02IP:192.168.0.213
etcd-01IP:192.168.0.212
K8S-Master03IP:192.168.0.220
nginx-02IP:192.168.0.222
Load balancing