# icmp type echo-request
[
    {
        "match": {
            "left": {
                "payload": {
                    "field": "type",
                    "protocol": "icmp"
                }
            },
	    "op": "==",
            "right": "echo-request"
        }
    }
]

# icmpv6 type echo-request
[
    {
        "match": {
            "left": {
                "payload": {
                    "field": "type",
                    "protocol": "icmpv6"
                }
            },
	    "op": "==",
            "right": "echo-request"
        }
    }
]

# meta nfproto ipv4 icmp type echo-request
[
    {
        "match": {
            "left": { "meta": { "key": "nfproto" } },
	    "op": "==",
            "right": "ipv4"
        }
    },
    {
        "match": {
            "left": {
                "payload": {
                    "field": "type",
                    "protocol": "icmp"
                }
            },
	    "op": "==",
            "right": "echo-request"
        }
    }
]

# meta nfproto ipv4 icmpv6 type echo-request
[
    {
        "match": {
            "left": { "meta": { "key": "nfproto" } },
	    "op": "==",
            "right": "ipv4"
        }
    },
    {
        "match": {
            "left": {
                "payload": {
                    "field": "type",
                    "protocol": "icmpv6"
                }
            },
	    "op": "==",
            "right": "echo-request"
        }
    }
]

# meta nfproto ipv6 icmp type echo-request
[
    {
        "match": {
            "left": { "meta": { "key": "nfproto" } },
	    "op": "==",
            "right": "ipv6"
        }
    },
    {
        "match": {
            "left": {
                "payload": {
                    "field": "type",
                    "protocol": "icmp"
                }
            },
	    "op": "==",
            "right": "echo-request"
        }
    }
]

# meta nfproto ipv6 icmpv6 type echo-request
[
    {
        "match": {
            "left": { "meta": { "key": "nfproto" } },
	    "op": "==",
            "right": "ipv6"
        }
    },
    {
        "match": {
            "left": {
                "payload": {
                    "field": "type",
                    "protocol": "icmpv6"
                }
            },
	    "op": "==",
            "right": "echo-request"
        }
    }
]