{"record":{"id":"a800e7e84a8c2aae","repo":"netbirdio/netbird","slug":"decrement-counter-w","errorCode":null,"errorMessage":"decrement counter: %w","messagePattern":"decrement counter: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"client/firewall/iptables/router_linux.go","lineNumber":225,"sourceCode":"\n\t\tif err := r.decrementSetCounter(rule); err != nil {\n\t\t\treturn fmt.Errorf(\"decrement ipset counter: %w\", err)\n\t\t}\n\t} else {\n\t\tlog.Debugf(\"route rule %s not found\", ruleKey)\n\t}\n\n\tr.updateState()\n\n\treturn nil\n}\n\nfunc (r *router) decrementSetCounter(rule []string) error {\n\tsets := r.findSets(rule)\n\tvar merr *multierror.Error\n\tfor _, setName := range sets {\n\t\tif _, err := r.ipsetCounter.Decrement(setName); err != nil {\n\t\t\tmerr = multierror.Append(merr, fmt.Errorf(\"decrement counter: %w\", err))\n\t\t}\n\t}\n\n\treturn nberrors.FormatErrorOrNil(merr)\n}\n\nfunc (r *router) findSets(rule []string) []string {\n\tvar sets []string\n\tfor i, arg := range rule {\n\t\tif arg == \"-m\" && i+3 < len(rule) && rule[i+1] == \"set\" && rule[i+2] == matchSet {\n\t\t\tsets = append(sets, rule[i+3])\n\t\t}\n\t}\n\treturn sets\n}\n\nfunc (r *router) createIpSet(setName string, sources []netip.Prefix) error {\n\tif err := r.createIPSet(setName); err != nil {","sourceCodeStart":207,"sourceCodeEnd":243,"githubUrl":"https://github.com/netbirdio/netbird/blob/93e97f4bf1ad715072dcb3fb6cdb1763431b5a9c/client/firewall/iptables/router_linux.go#L207-L243","documentation":"Error \"decrement counter: %w\" thrown in netbirdio/netbird.","triggerScenarios":"Thrown at client/firewall/iptables/router_linux.go:225 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":"93e97f4bf1ad715072dcb3fb6cdb1763431b5a9c","analyzedAt":"2026-08-16T03:09:19.136Z","schemaVersion":2},"datasetVersion":"2026-08-16T08:17:34.114Z"}