{"nftables": [{"metainfo": {"version": "VERSION", "release_name": "RELEASE_NAME", "json_schema_version": 1}}, {"table": {"family": "ip", "name": "x", "handle": 0}}, {"map": {"family": "ip", "name": "y", "table": "x", "type": "ipv4_addr", "handle": 0, "map": "ipv4_addr", "flags": ["interval"], "elem": [[{"prefix": {"addr": "10.0.1.0", "len": 24}}, "10.0.0.1"], [{"prefix": {"addr": "10.0.2.0", "len": 24}}, "10.0.0.2"]]}}]}