GNS3 is a graphical network topology logic simulation tool. GNS3 2.2.0 release, which reads as follows:
Server：
- Adding debug messages to check the QEMU binary files directory
- Repair of single quotes are not closed
- Repair rename ATM switch Dynamips command error
- No longer designated as a PCI bus devices AHCI
- Id add value to all QEMU drive
