I have a pod stuck in terminating status with the following rancher-users #k3s

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square-engine-61315

10/24/2022, 11:44 AM

I have a pod stuck in terminating status with the following error:

error killing pod: failed to "KillPodSandbox" for "26335a48-9ee2-422c-8909-c8c8db421e85" with KillPodSandboxError: "rpc error: code = Unknown desc = failed to destroy network for sandbox \"...\": failed to get network \"cbr0\" cached result: decoding version from network config: unexpected end of JSON input"

I'm not sure whether this is a bug, nor where to file it if it is! I have tried restarting the node, but it makes no difference. Any ideas?

I could force-delete it, but I'm afraid that might hide a bigger problem?

bland-account-99790

10/24/2022, 1:10 PM

it is apparently complaining about the JSON file describing the CNI plugin

You did not see any problem when creating the pod?

Could you

sudo cat /var/lib/rancher/k3s/agent/etc/cni/net.d/10-flannel.conflist

please?

square-engine-61315

10/24/2022, 1:33 PM

The pod is created by a deployment, which is created by a helm chart. I did not see any issues.

It was quite urgent, so I force deleted the pod before your message arrived. Before I did that, I checked to see if the container was running on the server, using

k3s crictl ps

. It was not running.

Contents of `/var/lib/rancher/k3s/agent/etc/cni/net.d/10-flannel.conflist`:

{
  "name": "cbr0",
  "cniVersion": "1.0.0",
  "plugins": [
    {
      "type": "flannel",
      "delegate": {
        "hairpinMode": true,
        "forceAddress": true,
        "isDefaultGateway": true
      }
    },
    {
      "type": "portmap",
      "capabilities": {
        "portMappings": true
      }
    }
  ]
}

My problem is solved now, but I'll be glad to provide more info if you want to dig into this.

bland-account-99790

10/24/2022, 1:43 PM

the JSON seems correct, I wonder why it was complaining

If you are ever able to reproduce the problem, yes please, any extra info would be super helpful

square-engine-61315

10/24/2022, 1:59 PM

OK, I'll try to remember 🙂

bland-account-99790

10/24/2022, 2:55 PM

thanks Rudolf! 🙂

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