config interface 'lan0'
        option ifname 'lan0'
        option proto 'none'
        option macaddr 'ac:9a:96:00:01:00'

config interface 'lan1'
        option ifname 'lan1'
        option proto 'none'
        option macaddr 'ac:9a:96:00:00:00'

config interface 'lct'
        option ipaddr '192.168.1.1'
        option netmask '255.255.255.0'
        option proto 'static'
        option ifname 'lan1'
        option gateway '192.168.1.1'

config interface 'wan'
        option ifname 'wan'
        option proto 'static'
        option ipaddr '0.0.0.0'
        option netmask '255.255.255.0'
        option macaddr 'ac:9a:96:00:02:00'

root@SFP:~# uci set network.wan.macaddr="a8:f9:4b:1c:xx:xx"
root@SFP:~# uci commit network
uci: I/O error
root@SFP:~#```

подскажите , как переписать правильно mac адрес?