# dup to abcd::1
[
    {
        "dup": {
            "addr": "abcd::1"
        }
    }
]

# dup to abcd::1 device "lo"
[
    {
        "dup": {
            "addr": "abcd::1",
            "dev": "lo"
        }
    }
]

# dup to ip6 saddr map { abcd::1 : cafe::cafe } device "lo"
[
    {
        "dup": {
            "addr": {
                "map": {
                    "key": {
                        "payload": {
                            "field": "saddr",
                            "protocol": "ip6"
                        }
                    },
                    "data": {
                        "set": [
                            [
                                "abcd::1",
                                "cafe::cafe"
                            ]
                        ]
                    }
                }
            },
            "dev": "lo"
        }
    }
]