# meta obrname "br0"
[
    {
        "match": {
            "left": {
                "meta": "obrname"
            },
            "right": "br0"
        }
    }
]

# meta ibrname "br0"
[
    {
        "match": {
            "left": {
                "meta": "ibrname"
            },
            "right": "br0"
        }
    }
]