mtu for mesh hotspot

src/freedombone-mesh-batman

                 # bridge between mesh and wifi hotspot for mobile
                 HOTSPOT_NAME=$"${WIFI_SSID}-hotspot"
                 ifconfig $IFACE_SECONDARY down
+                ifconfig $IFACE_SECONDARY mtu 1500
+                ifconfig $IFACE_SECONDARY hw ether $(assign_peer_address)
+                iwconfig $IFACE_SECONDARY enc open
                 iwconfig $IFACE_SECONDARY mode managed essid $HOTSPOT_NAME channel ${CHANNEL}
                 iwconfig $IFACE_SECONDARY ap $CELLID
 
                 ifconfig $BRIDGE_HOTSPOT up
                 avahi-autoipd --force-bind --daemonize --wait $BRIDGE_HOTSPOT
                 ifconfig $IFACE_SECONDARY up promisc
-                ifconfig $IFACE_SECONDARY auto-dhcp
+                ifconfig $IFACE_SECONDARY auto-dhcp start
             fi
         fi
     fi