Message: Kubelet stopped posting node status. If a Pending pod is unable to get scheduled because of an unschedulable node, you will see something similar to this in the kubectl output: Though unschedulable nodes are not the most common reason for scheduling failures, it may be worth verifying if this is the case-and it’s also the first predicate the scheduler checks right off the bat. A cordoned node can continue to host the pods it is already running, but it cannot accept any new pods, even if it would normally satisfy all other scheduling predicates. If you cordon a node (e.g., to prepare the node for an upgrade), Kubernetes will mark it unschedulable. Nodes’ taints conflict with pods’ tolerations.
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