if uci get network.ethmesh.macaddr then echo "MAC for ETH-BATMAN is set already" else echo "Fixing MAC on eth0.3 (ethmesh)" NEW=$(awk -F: '{ printf("%02x:%02x:%02x:%02x:%02x:%02x\n", ("0x"$1)+2, "0x"$2, "0x"$3, "0x"$4, "0x"$5, "0x"$6 ) }' /sys/class/net/eth0/address) uci set network.ethmesh.macaddr=$NEW uci commit ifconfig eth0.3 hw ether $NEW ifconfig eth0.3 down ifconfig eth0.3 up fi batctl if add wlan0-1 batctl if add eth0.3