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