{
   "Dhcp6": {
      "interfaces-config": {
         "interfaces": [ "{{ if_lan }}" ]
      },
      "option-data": [
         {
            "name": "bootfile-url",
            "data": "tftp://[2001:db8:b001::1]/d-i/n-a/grubx64.efi"
         }
      ],
      "subnet6": [
         {
            "subnet": "2001:db8:b001::/64",
            "pools": [ { "pool": "2001:db8:b001::2 - 2001:db8:b001::ffff" } ],
            "interface": "enp1s0"
         }
      ]
   }
}