解决办法:
    /etc/kubernetes/manifests/kube-controller-manager.yaml
    配置文件中新增 --horizontal-pod-autoscaler-use-rest-clients=false 配置参数,然后重启pod即可

    1. [root@master3 ~]# grep false -i /etc/kubernetes/manifests/kube-controller-manager.yaml
    2. - --horizontal-pod-autoscaler-use-rest-clients=false