The rancher log:

2019/10/23 03:16:23 [INFO] Waiting on etcd startup: Get https://localhost:2379/health: x509: certificate has expired or is not yet valid
2019/10/23 03:16:24 [INFO] Waiting on etcd startup: Get https://localhost:2379/health: x509: certificate has expired or is not yet valid
2019/10/23 03:16:25 [INFO] Waiting on etcd startup: Get https://localhost:2379/health: x509: certificate has expired or is not yet valid