code removed and virtual network management related code simplified.
simply puts/gets packets to/from FIFO instead of real hardware.
+ *   redistributing this file, you may do so under either license.
+ *   as published by the Free Software Foundation.
+ *   Lesser General Public License for more details.
+ * KDP name is part of memzone name.
+ * The kernel image of the rte_mbuf struct, with only the relevant fields.
+ *   published by the Free Software Foundation.
+ *   General Public License for more details.
+ * A structure describing the private information for a kdp device.
+ *   in the file called LICENSE.GPL.
+	 * for multiple kernel thread mode.
+	 * and finally wake it up.
+"    lo_mode_none        Kernel loopback disabled\n"
+"    lo_mode_fifo        Enable kernel loopback with fifo\n"
+"    lo_mode_fifo_skb    Enable kernel loopback with fifo and skb buffer\n"
+"    single    Single kernel thread mode enabled.\n"
+"    multiple  Multiple kernel thread mode enabled.\n"
+	 * one entry in alloc_q.
+		 * drops skb and goes out.
+ * Deal with a transmit timeout.
+ * RX: loopback with enqueue/dequeue fifos.
+	 * as all queues are checked at first.
+ * RX: loopback with enqueue/dequeue fifos and sk buffer copies.