{
  "nftables": [
    {
      "metainfo": {
        "version": "VERSION",
        "release_name": "RELEASE_NAME",
        "json_schema_version": 1
      }
    },
    {
      "table": {
        "family": "inet",
        "name": "x",
        "handle": 0
      }
    },
    {
      "chain": {
        "family": "inet",
        "table": "x",
        "name": "y",
        "handle": 0,
        "type": "filter",
        "hook": "input",
        "prio": -225,
        "policy": "accept"
      }
    },
    {
      "chain": {
        "family": "inet",
        "table": "x",
        "name": "z",
        "handle": 0,
        "type": "filter",
        "hook": "output",
        "prio": 225,
        "policy": "accept"
      }
    },
    {
      "secmark": {
        "family": "inet",
        "name": "ssh_server",
        "table": "x",
        "handle": 0,
        "context": "system_u:object_r:ssh_server_packet_t:s0"
      }
    },
    {
      "rule": {
        "family": "inet",
        "table": "x",
        "chain": "y",
        "handle": 0,
        "expr": [
          {
            "match": {
              "op": "==",
              "left": {
                "payload": {
                  "protocol": "tcp",
                  "field": "dport"
                }
              },
              "right": 2222
            }
          },
          {
            "match": {
              "op": "in",
              "left": {
                "ct": {
                  "key": "state"
                }
              },
              "right": "new"
            }
          },
          {
            "secmark": "ssh_server"
          }
        ]
      }
    },
    {
      "rule": {
        "family": "inet",
        "table": "x",
        "chain": "y",
        "handle": 0,
        "expr": [
          {
            "match": {
              "op": "in",
              "left": {
                "ct": {
                  "key": "state"
                }
              },
              "right": "new"
            }
          },
          {
            "mangle": {
              "key": {
                "ct": {
                  "key": "secmark"
                }
              },
              "value": {
                "meta": {
                  "key": "secmark"
                }
              }
            }
          }
        ]
      }
    },
    {
      "rule": {
        "family": "inet",
        "table": "x",
        "chain": "y",
        "handle": 0,
        "expr": [
          {
            "match": {
              "op": "in",
              "left": {
                "ct": {
                  "key": "state"
                }
              },
              "right": [
                "established",
                "related"
              ]
            }
          },
          {
            "mangle": {
              "key": {
                "meta": {
                  "key": "secmark"
                }
              },
              "value": {
                "ct": {
                  "key": "secmark"
                }
              }
            }
          }
        ]
      }
    },
    {
      "rule": {
        "family": "inet",
        "table": "x",
        "chain": "z",
        "handle": 0,
        "expr": [
          {
            "match": {
              "op": "in",
              "left": {
                "ct": {
                  "key": "state"
                }
              },
              "right": "new"
            }
          },
          {
            "mangle": {
              "key": {
                "ct": {
                  "key": "secmark"
                }
              },
              "value": {
                "meta": {
                  "key": "secmark"
                }
              }
            }
          }
        ]
      }
    },
    {
      "rule": {
        "family": "inet",
        "table": "x",
        "chain": "z",
        "handle": 0,
        "expr": [
          {
            "match": {
              "op": "in",
              "left": {
                "ct": {
                  "key": "state"
                }
              },
              "right": [
                "established",
                "related"
              ]
            }
          },
          {
            "mangle": {
              "key": {
                "meta": {
                  "key": "secmark"
                }
              },
              "value": {
                "ct": {
                  "key": "secmark"
                }
              }
            }
          }
        ]
      }
    }
  ]
}