[openwrt]MT7981 启动wifi出现MAC地址不生效问题分析及解决方案

问题log

root@OpenWrt:/# wifi restart
cat: can't open '/etc/vendor_info': No such file or directory
ioctl fail: Network is down
cat: can't open '/etc/vendor_info': No such file or directory
rax0      No such device

rax0      No such device

rax0      No such device

ioctl fail: No such device
cat: can't open '/etc/vendor_info': No such file or directory
ioctl fail: Network is down
cat: can't open '/etc/vendor_info': No such file or directory
rax0      No such device

rax0      No such device

rax0      No such device

ioctl fail: No such device
[   69.373962] 7981@C12L1,rt28xx_ap_ioctl() 866: interface is down, cmd [8be2] return!!!
Interface doesn't accept private ioctl...
set (8BE2): Network is down
killall: hostapd: no process killed
uci: Entry not found
module is not loaded
sh: /etc/init.d/fwdd: not [   69.408046] -->mtfwd_exit()
found
[   69.408149] <--mtfwd_exit()
[   69.443568] warp_