[
    {
        "ip-address": "192.168.122.199",
        "mac-address": "52:54:00:a4:6f:93",
        "hostname": "fedora",
        "expiry-time": 1900000000
    },
    {
        "ip-address": "2001:1234:dead:beef::2",
        "mac-address": "52:54:00:04:be:64",
        "hostname": "gentoo",
        "expiry-time": 1900000000
    },
    {
        "ip-address": "192.168.122.200",
        "mac-address": "52:54:00:a4:6f:94",
        "hostname": "fedora",
        "expiry-time": 1
    },
    {
        "ip-address": "192.168.122.3",
        "mac-address": "52:54:00:aa:bb:cc",
        "client-id": "01:52:54:00:aa:bb:cc",
        "expiry-time": 2000000000
    }
]