kernel-monitor-counter.json

{
  "plugin": "custom",
  "pluginConfig": {
    "invoke_interval": "5m",
    "timeout": "1m",
    "max_output_length": 80,
    "concurrency": 1
  },
  "source": "kernel-monitor",
  "metricsReporting": true,
  "conditions": [
    {
      "type": "FrequentUnregisterNetDevice",
      "reason": "NoFrequentUnregisterNetDevice",
      "message": "node is functioning properly"
    }
  ],
  "rules": [
    {
      "type": "permanent",
      "condition": "FrequentUnregisterNetDevice",
      "reason": "UnregisterNetDevice",
      "path": "/home/kubernetes/bin/log-counter",
      "args": [
        "--journald-source=kernel",
        "--log-path=/var/log/journal",
        "--lookback=20m",
        "--count=3",
        "--pattern=unregister_netdevice: waiting for \\w+ to become free. Usage count = \\d+"
      ],
      "timeout": "1m"
    }
  ]
}