# dnat to ct mark map { 0x00000014 : 1.2.3.4}
[
    {
        "dnat": {
            "addr": {
                "map": {
                    "key": {
                        "ct": {
                            "key": "mark"
                        }
                    },
                    "data": {
                        "set": [
                            [
                                20,
                                "1.2.3.4"
                            ]
                        ]
                    }
                }
            }
        }
    }
]

# dnat to ct mark . ip daddr map { 0x00000014 . 1.1.1.1 : 1.2.3.4}
[
    {
        "dnat": {
            "addr": {
                "map": {
                    "key": {
                        "concat": [
                            {
                                "ct": {
                                    "key": "mark"
                                }
                            },
                            {
                                "payload": {
                                    "field": "daddr",
                                    "protocol": "ip"
                                }
                            }
                        ]
                    },
                    "data": {
                        "set": [
                            [
                                {
                                    "concat": [
                                        20,
                                        "1.1.1.1"
                                    ]
                                },
                                "1.2.3.4"
                            ]
                        ]
                    }
                }
            }
        }
    }
]