{"record":{"id":"473cfd88f27717fb","repo":"istio/istio","slug":"failed-to-load-args-v","errorCode":null,"errorMessage":"failed to load args: %v","messagePattern":"failed to load args: (.+?)","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cni/pkg/plugin/plugin.go","lineNumber":181,"sourceCode":"\t}()\n\n\tconf, err := parseConfig(args.StdinData)\n\tif err != nil {\n\t\tlog.Errorf(\"istio-cni cmdAdd failed to parse config %v %v\", string(args.StdinData), err)\n\t\treturn err\n\t}\n\n\t// Preemptively check if the pod is a CNI pod.\n\t// It is possible that the kubeconfig is not available if it hasn't been written yet\n\t// by the CNI pod or it is invalid which cause the CNI pod to be unable to start if\n\t// on the creation of a new K8s client. We preemptively check if the pod is a CNI pod\n\t// to avoid a deadlock on the kubeconfig when the k8s client is unnecessary to process\n\t// the CNI add event for the CNI pod itself. This applies to both ambient and sidecar\n\t// mode, since newK8sClient below runs unconditionally and would otherwise deadlock the\n\t// CNI pod when its kubeconfig is not yet present (for example after a node reboot).\n\tk8sArgs := K8sArgs{}\n\tif err := types.LoadArgs(args.Args, &k8sArgs); err != nil {\n\t\treturn fmt.Errorf(\"failed to load args: %v\", err)\n\t}\n\tif isCNIPod(conf, &k8sArgs) {\n\t\t// This is our own agent pod, so the kube client is not needed to process the\n\t\t// event. Skip it rather than block on a kubeconfig that may not exist yet.\n\t\tlog.Infof(\"%v looks like our own agent pod, skipping\", k8sArgs.K8S_POD_NAME)\n\t\treturn pluginResponse(conf)\n\t}\n\n\t// Create a kube client\n\tclient, err := newK8sClient(*conf)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"failed to createNewK8sClient: %v\", err)\n\t}\n\n\t// Actually do the add\n\tmgr := IptablesInterceptRuleMgr()\n\tif conf.NativeNftables {\n\t\tmgr = NftablesInterceptRuleMgr()","sourceCodeStart":163,"sourceCodeEnd":199,"githubUrl":"https://github.com/istio/istio/blob/8dc789c5cf17517c64e3c36cb3288230f149dfae/cni/pkg/plugin/plugin.go#L163-L199","documentation":"Error \"failed to load args: %v\" thrown in istio/istio.","triggerScenarios":"Thrown at cni/pkg/plugin/plugin.go:181 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"8dc789c5cf17517c64e3c36cb3288230f149dfae","analyzedAt":"2026-08-15T15:16:55.434Z","schemaVersion":2},"datasetVersion":"2026-08-15T17:31:12.345Z"}