{
"Dhcp6": {
  "renew-timer": 900,
  "rebind-timer": 1800,
  "valid-lifetime": 3600,
  "interfaces-config": {
    "interfaces": ["ens33"],
  },
  "lease-database": {
    "type": "memfile",
    "persist": true,
    "name": "/var/lib/kea/dhcp6.leases"
  },
  "subnet6": [
  {
    "subnet": "2001:db8:1::/64",
    "pools": [
    {
      "pool": "2001:db8:1::5 - 2001:db8:1::ffff"
    }
    ]
  }
  ]
}
}