fix: Generate local MAC address

src/network.sh

@@ -214,6 +214,8 @@ configureNAT() {
   fi
 
   GATEWAY_MAC=$(echo "$VM_NET_MAC" | rev)
+  GATEWAY_MAC="02:${GATEWAY_MAC:0:14}"
+
   if ! ip link set dev "$VM_NET_TAP" address "$GATEWAY_MAC"; then
     warn "Failed to set gateway MAC address.."
   fi