[
  {
    "ifname": "e0",
    "vlans": [
      {
        "vlan": 10,
        "flags": [
          "PVID",
          "Egress Untagged"
        ]
      },
      {
        "vlan": 20
      }
    ]
  },
  {
    "ifname": "e1",
    "vlans": [
      {
        "vlan": 10
      },
      {
        "vlan": 20,
        "flags": [
          "PVID",
          "Egress Untagged"
        ]
      }
    ]
  },
  {
    "ifname": "e2",
    "vlans": [
      {
        "vlan": 30,
        "flags": [
          "Egress Untagged"
        ]
      }
    ]
  },
  {
    "ifname": "br0",
    "vlans": [
      {
        "vlan": 40,
        "flags": [
          "Egress Untagged"
                                                            ]
      },
      {
        "vlan": 50
      }
    ]
  }
]