vtty_thread: select: Bad file descriptor Cisco Router Simulation Platform (version 0.2.16-amd64/Darwin unstable) Copyright (c) 2005-2011 Christophe Fillot. Build date: Mar 16 2016 06:30:51 Log file: writing to dynamips_i1_log.txt Hypervisor TCP control server started (IP 127.0.0.1 port 58196). NVRAM is empty, setting config register to 0x2142 C7200 instance 'R4' (id 4): VM Status : 0 RAM size : 256 Mb IOMEM size : 0 Mb NVRAM size : 512 Kb NPE model : npe-400 Midplane : vxr IOS image : /Users/marlon/GNS3/images/IOS/c7200-adventerprisek9-mz.124-15.T14.image Loading ELF file '/Users/marlon/GNS3/images/IOS/c7200-adventerprisek9-mz.124-15.T14.image'... ELF loading skipped, using a ghost RAM file. ELF entry point: 0x80008000 C7200 'R4': starting simulation (CPU0 PC=0xffffffffbfc00000), JIT enabled. VM R4: starting CPU! C7200 'R4': stopping simulation. Hypervisor: closing control sockets. Hypervisor: closing remote client connections. Shutdown in progress... Shutdown completed.