新版qemu不兼容，不能识别vlan参数

[raddyfiy]

提示：-net nic,vlan=0: 'vlan' is deprecated. Please use 'netdev' instead.
样本固件：https://support.dlink.com/resource/PRODUCTS/DIR-868L/REVB/DIR-868L_REVB_FIRMWARE_2.01B05.zip

[secnotes]

是的，所以需要使用 Fap 自带 qemu