{
  "ingress": {
    "pov_mappings": {
      "32": "packet_in_hdr", 
      "33": "packet_out_hdr", 
      "34": "ethernet", 
      "35": "ipv4", 
      "36": "tcp", 
      "37": "udp", 
      "38": "metadata_bridge", 
      "16": "_bridged_intr_md_"
    }
  }, 
  "egress": {
    "pov_mappings": {
      "0": "packet_in_hdr", 
      "1": "packet_out_hdr", 
      "2": "ethernet", 
      "3": "ipv4", 
      "4": "tcp", 
      "5": "udp"
    }
  }
}