{"nftables": [{"metainfo": {"version": "VERSION", "release_name": "RELEASE_NAME", "json_schema_version": 1}}, {"table": {"family": "inet", "name": "t", "handle": 0}}, {"set": {"family": "inet", "name": "s", "table": "t", "type": "ipv4_addr", "handle": 0, "flags": ["interval"], "elem": [{"prefix": {"addr": "192.168.0.0", "len": 24}}]}}]}