# tcp option sack0 left 1
[
    {
        "match": {
            "left": {
                "tcp option": {
                    "field": "left",
                    "name": "sack"
                }
            },
	    "op": "==",
            "right": 1
        }
    }
]

# tcp option sack0 right 1
[
    {
        "match": {
            "left": {
                "tcp option": {
                    "field": "right",
                    "name": "sack"
                }
            },
	    "op": "==",
            "right": 1
        }
    }
]

# tcp option mptcp subtype . tcp dport { mp-capable . 10, mp-join . 100, add-addr . 200, remove-addr . 300, mp-prio . 400, mp-fail . 500, mp-fastclose . 600, mp-tcprst . 700 }
[
    {
        "match": {
            "left": {
                "concat": [
                    {
                        "tcp option": {
                            "field": "subtype",
                            "name": "mptcp"
                        }
                    },
                    {
                        "payload": {
                            "field": "dport",
                            "protocol": "tcp"
                        }
                    }
                ]
            },
            "op": "==",
            "right": {
                "set": [
                    {
                        "concat": [
                            "mp-capable",
                            10
                        ]
                    },
                    {
                        "concat": [
                            "remove-addr",
                            300
                        ]
                    },
                    {
                        "concat": [
                            "mp-fastclose",
                            600
                        ]
                    },
                    {
                        "concat": [
                            "mp-join",
                            100
                        ]
                    },
                    {
                        "concat": [
                            "mp-prio",
                            400
                        ]
                    },
                    {
                        "concat": [
                            "mp-tcprst",
                            700
                        ]
                    },
                    {
                        "concat": [
                            "add-addr",
                            200
                        ]
                    },
                    {
                        "concat": [
                            "mp-fail",
                            500
                        ]
                    }
                ]
            }
        }
    }
]