KubeNodeReadinessFlapping # Meaning # The readiness status of node has changed few times in the last 15 minutes. Impact # The performance of the cluster deployments is affected, depending on the overall workload and the type of the node. Diagnosis # The notification details should list the node that’s not reachable. For Example: - alertname = KubeNodeUnreachable ... - node = node1.example.com ... Login to the cluster.