[
  [
    [
      {
        "admin_state": "up,",
        "interface": "mgmt0",
        "state": "up",
        "var": "extra_var"
      },
      {
        "admin_state": "up,",
        "interface": "Ethernet1/1",
        "state": "up",
        "var": "extra_var"
      }
    ]
  ]
]
