{
  "nftables": [
    {
      "metainfo": {
        "version": "VERSION",
        "release_name": "RELEASE_NAME",
        "json_schema_version": 1
      }
    },
    {
      "table": {
        "family": "ip",
        "name": "x",
        "handle": 0
      }
    },
    {
      "chain": {
        "family": "ip",
        "table": "x",
        "name": "y",
        "handle": 0
      }
    },
    {
      "chain": {
        "family": "ip",
        "table": "x",
        "name": "c1",
        "handle": 0
      }
    },
    {
      "chain": {
        "family": "ip",
        "table": "x",
        "name": "c2",
        "handle": 0
      }
    },
    {
      "chain": {
        "family": "ip",
        "table": "x",
        "name": "c3",
        "handle": 0
      }
    },
    {
      "rule": {
        "family": "ip",
        "table": "x",
        "chain": "y",
        "handle": 0,
        "expr": [
          {
            "match": {
              "op": "==",
              "left": {
                "concat": [
                  {
                    "meta": {
                      "key": "iifname"
                    }
                  },
                  {
                    "payload": {
                      "protocol": "ip",
                      "field": "saddr"
                    }
                  },
                  {
                    "payload": {
                      "protocol": "ip",
                      "field": "daddr"
                    }
                  }
                ]
              },
              "right": {
                "set": [
                  {
                    "concat": [
                      "eth1",
                      "1.1.1.1",
                      "2.2.2.3"
                    ]
                  },
                  {
                    "concat": [
                      "eth1",
                      "1.1.1.2",
                      "2.2.2.4"
                    ]
                  },
                  {
                    "concat": [
                      "eth1",
                      "1.1.1.2",
                      {
                        "prefix": {
                          "addr": "2.2.3.0",
                          "len": 24
                        }
                      }
                    ]
                  },
                  {
                    "concat": [
                      "eth1",
                      "1.1.1.2",
                      {
                        "range": [
                          "2.2.4.0",
                          "2.2.4.10"
                        ]
                      }
                    ]
                  },
                  {
                    "concat": [
                      "eth2",
                      "1.1.1.3",
                      "2.2.2.5"
                    ]
                  }
                ]
              }
            }
          },
          {
            "accept": null
          }
        ]
      }
    },
    {
      "rule": {
        "family": "ip",
        "table": "x",
        "chain": "y",
        "handle": 0,
        "expr": [
          {
            "match": {
              "op": "==",
              "left": {
                "concat": [
                  {
                    "payload": {
                      "protocol": "ip",
                      "field": "protocol"
                    }
                  },
                  {
                    "payload": {
                      "protocol": "th",
                      "field": "dport"
                    }
                  }
                ]
              },
              "right": {
                "set": [
                  {
                    "concat": [
                      "tcp",
                      22
                    ]
                  },
                  {
                    "concat": [
                      "udp",
                      67
                    ]
                  }
                ]
              }
            }
          }
        ]
      }
    },
    {
      "rule": {
        "family": "ip",
        "table": "x",
        "chain": "c1",
        "handle": 0,
        "expr": [
          {
            "match": {
              "op": "==",
              "left": {
                "concat": [
                  {
                    "payload": {
                      "protocol": "udp",
                      "field": "dport"
                    }
                  },
                  {
                    "meta": {
                      "key": "iifname"
                    }
                  }
                ]
              },
              "right": {
                "set": [
                  {
                    "concat": [
                      51820,
                      "foo"
                    ]
                  },
                  {
                    "concat": [
                      514,
                      "bar"
                    ]
                  },
                  {
                    "concat": [
                      67,
                      "bar"
                    ]
                  }
                ]
              }
            }
          },
          {
            "accept": null
          }
        ]
      }
    },
    {
      "rule": {
        "family": "ip",
        "table": "x",
        "chain": "c2",
        "handle": 0,
        "expr": [
          {
            "match": {
              "op": "==",
              "left": {
                "concat": [
                  {
                    "payload": {
                      "protocol": "udp",
                      "field": "dport"
                    }
                  },
                  {
                    "meta": {
                      "key": "iifname"
                    }
                  }
                ]
              },
              "right": {
                "set": [
                  {
                    "concat": [
                      100,
                      "foo"
                    ]
                  },
                  {
                    "concat": [
                      51820,
                      "foo"
                    ]
                  },
                  {
                    "concat": [
                      514,
                      "bar"
                    ]
                  },
                  {
                    "concat": [
                      67,
                      "bar"
                    ]
                  }
                ]
              }
            }
          },
          {
            "accept": null
          }
        ]
      }
    },
    {
      "rule": {
        "family": "ip",
        "table": "x",
        "chain": "c3",
        "handle": 0,
        "expr": [
          {
            "match": {
              "op": "==",
              "left": {
                "concat": [
                  {
                    "payload": {
                      "protocol": "udp",
                      "field": "dport"
                    }
                  },
                  {
                    "meta": {
                      "key": "iifname"
                    }
                  }
                ]
              },
              "right": {
                "set": [
                  {
                    "concat": [
                      100,
                      "foo"
                    ]
                  },
                  {
                    "concat": [
                      51820,
                      "foo"
                    ]
                  },
                  {
                    "concat": [
                      514,
                      "bar"
                    ]
                  },
                  {
                    "concat": [
                      67,
                      "bar"
                    ]
                  },
                  {
                    "concat": [
                      100,
                      "test"
                    ]
                  },
                  {
                    "concat": [
                      51820,
                      "test"
                    ]
                  }
                ]
              }
            }
          },
          {
            "accept": null
          }
        ]
      }
    }
  ]
}