{
  "nftables": [
    {
      "metainfo": {
        "version": "VERSION",
        "release_name": "RELEASE_NAME",
        "json_schema_version": 1
      }
    },
    {
      "table": {
        "family": "ip",
        "name": "t",
        "handle": 0
      }
    },
    {
      "chain": {
        "family": "ip",
        "table": "t",
        "name": "c",
        "handle": 0,
        "type": "filter",
        "hook": "output",
        "prio": 0,
        "policy": "accept"
      }
    },
    {
      "rule": {
        "family": "ip",
        "table": "t",
        "chain": "c",
        "handle": 0,
        "expr": [
          {
            "match": {
              "op": "==",
              "left": {
                "meta": {
                  "key": "oif"
                }
              },
              "right": "lo"
            }
          },
          {
            "mangle": {
              "key": {
                "ct": {
                  "key": "mark"
                }
              },
              "value": {
                "<<": [
                  {
                    "|": [
                      {
                        "meta": {
                          "key": "mark"
                        }
                      },
                      16
                    ]
                  },
                  8
                ]
              }
            }
          }
        ]
      }
    }
  ]
}