. /lib/functions.sh preinit_set_mac_address() { case $(board_name) in asrock,g10) lan_mac=$(mtd_get_mac_ascii hwconfig HW.LAN.MAC.Address) wan_mac=$(mtd_get_mac_ascii hwconfig HW.WAN.MAC.Address) ip link set dev eth0 address "${lan_mac}" ip link set dev eth1 address "${wan_mac}" ;; esac } boot_hook_add preinit_main preinit_set_mac_address