ath79_init_mac(ath79_eth0_data.mac_addr, art + WPJ558_MAC_OFFSET, 0);
ath79_init_mac(ath79_eth1_data.mac_addr, art + WPJ558_MAC_OFFSET, 0);
ath79_init_mac(ath79_eth0_data.mac_addr, art + WPJ558_MAC_OFFSET, 0);
ath79_init_mac(ath79_eth1_data.mac_addr, art + WPJ558_MAC_OFFSET, 0);