[etcd] Failed to bring up Etcd Plane: etcd cluster is unhealthy: hosts [10.10.34.20] failed to report healthy. Check etcd container logs on each host for more information

Hello! I’ve been attempting to run Rancher in a single-node Docker deployment. Everything seems fine until creating the first cluster, at that point, the UI remains in the “provisioning” state with the following error: [etcd] Failed to bring up Etcd Plane: etcd cluster is unhealthy: hosts [10.10.34.20] failed to report healthy…".

FULL LOG:

5:33:22 pm [INFO ] Initiating Kubernetes cluster
5:33:22 pm [INFO ] Successfully Deployed state file at [management-state/rke/rke-1475743140/cluster.rkestate]
5:33:22 pm [INFO ] Building Kubernetes cluster
5:33:22 pm [INFO ] [dialer] Setup tunnel for host [10.10.34.20]
5:33:22 pm [INFO ] [network] Deploying port listener containers
5:33:25 pm [INFO ] [network] Port listener containers deployed successfully
5:33:25 pm [INFO ] [network] Running control plane → etcd port checks
5:33:26 pm [INFO ] [network] Successfully started [rke-port-checker] container on host [10.10.34.20]
5:33:26 pm [INFO ] [network] Running control plane → worker port checks
5:33:28 pm [INFO ] [network] Successfully started [rke-port-checker] container on host [10.10.34.20]
5:33:28 pm [INFO ] [network] Running workers → control plane port checks
5:33:29 pm [INFO ] [network] Successfully started [rke-port-checker] container on host [10.10.34.20]
5:33:29 pm [INFO ] [network] Skipping kubeapi port check
5:33:29 pm [INFO ] [network] Removing port listener containers
5:33:29 pm [INFO ] [remove/rke-etcd-port-listener] Successfully removed container on host [10.10.34.20]
5:33:29 pm [INFO ] [remove/rke-cp-port-listener] Successfully removed container on host [10.10.34.20]
5:33:29 pm [INFO ] [remove/rke-worker-port-listener] Successfully removed container on host [10.10.34.20]
5:33:29 pm [INFO ] [network] Port listener containers removed successfully
5:33:29 pm [INFO ] [certificates] Deploying kubernetes certificates to Cluster nodes
5:33:36 pm [INFO ] [reconcile] Rebuilding and updating local kube config
5:33:36 pm [INFO ] Successfully Deployed local admin kubeconfig at [management-state/rke/rke-1475743140/kube_config_cluster.yml]
5:33:36 pm [ERROR] [reconcile] host [10.10.34.20] is a control plane node without reachable Kubernetes API endpoint in the cluster
5:33:36 pm [ERROR] [reconcile] no control plane node with reachable Kubernetes API endpoint in the cluster found
5:33:36 pm [INFO ] [certificates] Successfully deployed kubernetes certificates to Cluster nodes
5:33:36 pm [INFO ] [file-deploy] Deploying file [/etc/kubernetes/audit-policy.yaml] to node [10.10.34.20]
5:33:37 pm [INFO ] Successfully started [file-deployer] container on host [10.10.34.20]
5:33:37 pm [INFO ] Waiting for [file-deployer] container to exit on host [10.10.34.20]
5:33:37 pm [INFO ] Waiting for [file-deployer] container to exit on host [10.10.34.20]
5:33:37 pm [INFO ] Container [file-deployer] is still running on host [10.10.34.20]: stderr: , stdout:
5:33:38 pm [INFO ] Waiting for [file-deployer] container to exit on host [10.10.34.20]
5:33:38 pm [INFO ] [remove/file-deployer] Successfully removed container on host [10.10.34.20]
5:33:38 pm [INFO ] [/etc/kubernetes/audit-policy.yaml] Successfully deployed audit policy file to Cluster control nodes
5:33:38 pm [INFO ] [reconcile] Reconciling cluster state
5:33:38 pm [INFO ] [reconcile] This is newly generated cluster
5:33:38 pm [INFO ] Pre-pulling kubernetes images
5:33:38 pm [INFO ] Kubernetes images pulled successfully
5:33:38 pm [INFO ] [etcd] Building up etcd plane…
5:33:39 pm [INFO ] Successfully started [etcd-fix-perm] container on host [10.10.34.20]
5:33:39 pm [INFO ] Waiting for [etcd-fix-perm] container to exit on host [10.10.34.20]
5:33:39 pm [INFO ] Waiting for [etcd-fix-perm] container to exit on host [10.10.34.20]
5:33:39 pm [INFO ] Container [etcd-fix-perm] is still running on host [10.10.34.20]: stderr: , stdout:
5:33:40 pm [INFO ] Waiting for [etcd-fix-perm] container to exit on host [10.10.34.20]
5:33:40 pm [INFO ] [remove/etcd-fix-perm] Successfully removed container on host [10.10.34.20]
5:33:42 pm [INFO ] [etcd] Successfully started [rke-log-linker] container on host [10.10.34.20]
5:33:42 pm [INFO ] [remove/rke-log-linker] Successfully removed container on host [10.10.34.20]
5:33:42 pm [INFO ] [etcd] Successfully started etcd plane… Checking etcd cluster health

Please suggest me the way how to resolve this error.