blobmsg_add_u8(&b, "delegation", !iface->proto_ip.no_delegation);
a = blobmsg_open_array(&b, "ipv4-address");
interface_ip_dump_address_list(&iface->config_ip, false, true);
blobmsg_add_u8(&b, "delegation", !iface->proto_ip.no_delegation);
a = blobmsg_open_array(&b, "ipv4-address");
interface_ip_dump_address_list(&iface->config_ip, false, true);