Error: failed to stop grafana: failed to stop: 10.129.5.15 grafana-3000.service, please check the instance’s log(/data/tidb/tidb-deploy/grafana-3000/log) for more detail.: executor.ssh.execute_failed: Failed to execute command over SSH for ‘root@10.129.5.15:22’ {ssh_stderr: , ssh_stdout: , ssh_command: export LANG=C; PATH=$PATH:/usr/bin:/usr/sbin sudo -H bash -c “systemctl daemon-reload && systemctl stop grafana-3000.service”}, cause: ssh: handshake failed: ssh: unable to authenticate, attempted methods [none publickey], no supported methods remain
为提高效率，请提供以下信息，问题描述清晰能够更快得到解决：
【概述】TiDB 部署的时候，没有问题，但是扩缩容时出现问题
【背景】部署完成，对tidb-server进行去除
【现象】报错如下
ssh: handshake failed: ssh: unable to authenticate, attempted methods [none publickey], no supported methods remain
【业务影响】
【TiDB 版本】V5.1.0
