# meta l4proto 17 tproxy ip to 192.0.2.1
[
    {
        "match": {
            "left": {
                "meta": {
                    "key": "l4proto"
                }
            },
            "op": "==",
            "right": 17
        }
    },
    {
        "tproxy": {
            "addr": "192.0.2.1",
            "family": "ip"
        }
    }
]

# meta l4proto 6 tproxy ip to 192.0.2.1:50080
[
    {
        "match": {
            "left": {
                "meta": {
                    "key": "l4proto"
                }
            },
            "op": "==",
            "right": 6
        }
    },
    {
        "tproxy": {
            "addr": "192.0.2.1",
            "family": "ip",
            "port": 50080
        }
    }
]

# meta l4proto 6 tproxy ip6 to [2001:db8::1]
[
    {
        "match": {
            "left": {
                "meta": {
                    "key": "l4proto"
                }
            },
            "op": "==",
            "right": 6
        }
    },
    {
        "tproxy": {
            "addr": "2001:db8::1",
            "family": "ip6"
        }
    }
]

# meta l4proto 17 tproxy ip6 to [2001:db8::1]:50080
[
    {
        "match": {
            "left": {
                "meta": {
                    "key": "l4proto"
                }
            },
            "op": "==",
            "right": 17
        }
    },
    {
        "tproxy": {
            "addr": "2001:db8::1",
            "family": "ip6",
            "port": 50080
        }
    }
]

# meta l4proto 17 tproxy to :50080
[
    {
        "match": {
            "left": {
                "meta": {
                    "key": "l4proto"
                }
            },
            "op": "==",
            "right": 17
        }
    },
    {
        "tproxy": {
            "port": 50080
        }
    }
]