Where is MACs stored? U-boot env of Firmware?
What are right addreses for /etc/fw_env.config? Have anyone "factory" partition dump for WR840n v5?
[ 0.423063] rt3050-esw 10110000.esw: link changed 0x00
[ 0.429229] mtk_soc_eth 10100000.ethernet: generated random MAC address 0a:c2:51:82:8d:dc
[ 0.438307] mtk_soc_eth 10100000.ethernet eth0: mediatek frame engine at 0xb0100000, irq 5
[ 9.273178] mt76_wmac 10300000.wmac: ASIC revision: 76280001
[ 9.281942] mt76_wmac 10300000.wmac: Invalid MAC address, using random address 96:3b:ae:b8:15:c5
[ 9.293181] mt76_wmac 10300000.wmac: Firmware Version: 20151201
[ 9.299270] mt76_wmac 10300000.wmac: Build Time: 20151201183641
[ 9.316682] mt76_wmac 10300000.wmac: firmware init done