{"record":{"id":"272638b27c4c8683","repo":"netbirdio/netbird","slug":"delete-rule-from-s-s-v","errorCode":null,"errorMessage":"delete rule from %s/%s: %v","messagePattern":"delete rule from (.+?)/(.+?): (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"client/firewall/nftables/router_linux.go","lineNumber":1362,"sourceCode":"\t\t\treturn err\n\t\t}\n\t}\n\n\treturn r.conn.Flush()\n}\n\nfunc (r *router) removeAcceptRulesFromChain(table *nftables.Table, chain *nftables.Chain) error {\n\trules, err := r.conn.GetRules(table, chain)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"get rules from %s/%s: %v\", table.Name, chain.Name, err)\n\t}\n\n\tfor _, rule := range rules {\n\t\tif bytes.Equal(rule.UserData, []byte(userDataAcceptForwardRuleIif)) ||\n\t\t\tbytes.Equal(rule.UserData, []byte(userDataAcceptForwardRuleOif)) ||\n\t\t\tbytes.Equal(rule.UserData, []byte(userDataAcceptInputRule)) {\n\t\t\tif err := r.conn.DelRule(rule); err != nil {\n\t\t\t\treturn fmt.Errorf(\"delete rule from %s/%s: %v\", table.Name, chain.Name, err)\n\t\t\t}\n\t\t}\n\t}\n\treturn nil\n}\n\n// removeExternalChainsRules removes our accept rules from all external chains.\n// This is deterministic - it scans for chains at removal time rather than relying on saved state,\n// ensuring cleanup works even after a crash or if chains changed.\nfunc (r *router) removeExternalChainsRules() error {\n\tchains := r.findExternalChains()\n\tif len(chains) == 0 {\n\t\treturn nil\n\t}\n\n\tfor _, chain := range chains {\n\t\tif err := r.removeAcceptRulesFromChain(chain.Table, chain); err != nil {\n\t\t\tlog.Warnf(\"remove rules from external chain %s/%s: %v\", chain.Table.Name, chain.Name, err)","sourceCodeStart":1344,"sourceCodeEnd":1380,"githubUrl":"https://github.com/netbirdio/netbird/blob/93e97f4bf1ad715072dcb3fb6cdb1763431b5a9c/client/firewall/nftables/router_linux.go#L1344-L1380","documentation":"Error \"delete rule from %s/%s: %v\" thrown in netbirdio/netbird.","triggerScenarios":"Thrown at client/firewall/nftables/router_linux.go:1362 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"}