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CKA study material · question 411 of 1000

kube-proxy logs a failure to retrieve the node IP and falls back to 127.0.0.1. What happened?

  1. kube-proxy is running in nftables mode
  2. It was scheduled before the cloud controller manager set the node's addresses
  3. The node has no default gateway
  4. The Service CIDR overlaps the Pod CIDR
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Answer: B. It was scheduled before the cloud controller manager set the node's addresses

In cloud environments kube-proxy can start before the node addresses are initialised, which breaks its proxying.

Source: Troubleshooting kubeadm (Kubernetes) — kube-proxy scheduled before node is initialized by cloud-controller-manager

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