{ "nftables": [ { "metainfo": { "version": "VERSION", "release_name": "RELEASE_NAME", "json_schema_version": 1 } }, { "table": { "family": "ip", "name": "x", "handle": 0 } }, { "set": { "family": "ip", "name": "y", "table": "x", "type": "ipv4_addr", "handle": 0, "flags": [ "interval" ] } } ] }