{"record":{"id":"59ad4c50476a95da","repo":"netbirdio/netbird","slug":"v4-w","errorCode":null,"errorMessage":"v4: %w","messagePattern":"v4: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"client/firewall/nftables/manager_linux.go","lineNumber":167,"sourceCode":"\n\t// Start after initFirewall has installed the baseline external-chain\n\t// accept rules. start() is idempotent across Init/Close/Init cycles.\n\tm.extMonitor.start()\n\n\treturn nil\n}\n\n// reconcileExternalChains re-applies passthrough accept rules to external\n// filter chains for both IPv4 and IPv6 routers. Called by the monitor when\n// tables or chains appear (e.g. after firewalld reloads).\nfunc (m *Manager) reconcileExternalChains() error {\n\tm.mutex.Lock()\n\tdefer m.mutex.Unlock()\n\n\tvar merr *multierror.Error\n\tif m.router != nil {\n\t\tif err := m.router.acceptExternalChainsRules(); err != nil {\n\t\t\tmerr = multierror.Append(merr, fmt.Errorf(\"v4: %w\", err))\n\t\t}\n\t}\n\tif m.hasIPv6() {\n\t\tif err := m.router6.acceptExternalChainsRules(); err != nil {\n\t\t\tmerr = multierror.Append(merr, fmt.Errorf(\"v6: %w\", err))\n\t\t}\n\t}\n\treturn nberrors.FormatErrorOrNil(merr)\n}\n\nfunc (m *Manager) initFirewall() (err error) {\n\tworkTable, err := m.createWorkTable()\n\tif err != nil {\n\t\treturn fmt.Errorf(\"create work table: %w\", err)\n\t}\n\n\tdefer func() {\n\t\tif err != nil {","sourceCodeStart":149,"sourceCodeEnd":185,"githubUrl":"https://github.com/netbirdio/netbird/blob/93e97f4bf1ad715072dcb3fb6cdb1763431b5a9c/client/firewall/nftables/manager_linux.go#L149-L185","documentation":"Error \"v4: %w\" thrown in netbirdio/netbird.","triggerScenarios":"Thrown at client/firewall/nftables/manager_linux.go:167 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"}