About qmi Virtual dynamic interface (DHCP client)


didn't attach to wan,how can do

'root@ipone:~# ifstatus wwan_4
{
        "up": true,
        "pending": false,
        "available": true,
        "autostart": true,
        "dynamic": true,
        "uptime": 1855,
        "l3_device": "wwan0",
        "proto": "dhcp",
        "device": "wwan0",
        "updated": [
                "addresses",
                "routes",
                "data"
        ],
        "metric": 0,
        "dns_metric": 0,
        "delegation": true,
        "ipv4-address": [
                {
                        "address": "100.68.34.172",
                        "mask": 29
                }
        ],
        "ipv6-address": [

        ],
        "ipv6-prefix": [

        ],
        "ipv6-prefix-assignment": [

        ],
        "route": [

        ],
        "dns-server": [
                "198.224.160.135",
                "198.224.164.135"
        ],
        "dns-search": [

        ],
        "neighbors": [

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

                ],
                "ipv6-address": [

                ],
                "route": [
                        {
                                "target": "0.0.0.0",
                                "mask": 0,
                                "nexthop": "100.68.34.173",
                                "source": "100.68.34.172/32"
                        }
                ],
                "dns-server": [

                ],
                "dns-search": [

                ],
                "neighbors": [

                ]
        },
        "data": {
                "hostname": "ipone",
                "leasetime": 7200,
                "zone": "wan"
        }
}
root@ipone:~#'

This is just a cosmetic issue in the ui, the virtual sub interface will inherit the zone of the parent interface