root@OpenWrt:~# ifstatus wan6
{
        "up": true,
        "pending": false,
        "available": true,
        "autostart": true,
        "dynamic": false,
        "uptime": 54,
        "l3_device": "eth1.2",
        "proto": "dhcpv6",
        "device": "eth1.2",
        "metric": 0,
        "dns_metric": 0,
        "delegation": true,
        "ipv4-address": [

        ],
        "ipv6-address": [
                {
                        "address": "2a02:908:1300:c:a5db:1f25:c3c6:58f9",
                        "mask": 128,
                        "preferred": 302346,
                        "valid": 604746
                }
        ],
        "ipv6-prefix": [
                {
                        "address": "2a02:908:13c8:d5a0::",
                        "mask": 59,
                        "preferred": 302346,
                        "valid": 604746,
                        "class": "wan6",
                        "assigned": {
                                "lan": {
                                        "address": "2a02:908:13c8:d5a0::",
                                        "mask": 60
                                }
                        }
                }
        ],
        "ipv6-prefix-assignment": [

        ],
        "route": [
                {
                        "target": "::",
                        "mask": 0,
                        "nexthop": "fe80::201:5cff:fe79:4646",
                        "metric": 512,
                        "valid": 1797,
                        "source": "2a02:908:13c8:d5a0::\/59"
                },
                {
                        "target": "::",
                        "mask": 0,
                        "nexthop": "fe80::201:5cff:fe79:4646",
                        "metric": 512,
                        "valid": 1797,
                        "source": "2a02:908:1300:c:a5db:1f25:c3c6:58f9\/128"
                }
        ],
        "dns-server": [
                "2a02:908:2:a::1",
                "2a02:908:2:b::1"
        ],
        "dns-search": [

        ],
        "inactive": {
                "ipv4-address": [

                ],
                "ipv6-address": [

                ],
                "route": [

                ],
                "dns-server": [

                ],
                "dns-search": [

                ]
        },
        "data": {
                "passthru": "001700202a0209080002000a00000000000000012a020908000                                                                                                                                                             2000b0000000000000001"
        }
}