Error: failed to stop alertmanager: failed to stop: alertmanager xxxx:9093: executor.ssh.execute_failed: Failed to execute command over SSH for ‘tidb@xxxx’ {ssh_stderr: , ssh_stdout: This account is currently not available.
, ssh_command: export LANG=C; PATH=$PATH:/usr/bin:/usr/sbin sudo -H bash -c “systemctl daemon-reload && systemctl stop alertmanager-9093.service”}, cause: Process exited with status 1