According to a user in OpenWrt forum, on RouterOS the MAC addresses are
ether1(WAN) = MAC
ether2(LAN2) = MAC+1
ether3(LAN3) = MAC+2
etc.
Fix the MAC addresses in OpenWrt.
Ref: https://forum.openwrt.org/t/few-dumb-question-about-mt7530-rb750gr3-dsa/61608
Signed-off-by: DENG Qingfang <dengqf6@mail2.sysu.edu.cn>
[remove label_mac in 02_network]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>