# ip protocol icmp icmp type echo-request
[
    {
        "match": {
            "left": {
                "payload": {
                    "field": "protocol",
                    "protocol": "ip"
                }
            },
	    "op": "==",
            "right": 1
        }
    },
    {
        "match": {
            "left": {
                "payload": {
                    "field": "type",
                    "protocol": "icmp"
                }
            },
	    "op": "==",
            "right": "echo-request"
        }
    }
]

# ip6 nexthdr icmpv6 icmpv6 type echo-request
[
    {
        "match": {
            "left": {
                "payload": {
                    "field": "nexthdr",
                    "protocol": "ip6"
                }
            },
	    "op": "==",
            "right": 58
        }
    },
    {
        "match": {
            "left": {
                "payload": {
                    "field": "type",
                    "protocol": "icmpv6"
                }
            },
	    "op": "==",
            "right": "echo-request"
        }
    }
]