Comment 8 for bug 1068602

I install all of these components on one node, and it will happen once I reset the physical machine.

IT seems that there is only one nova-consoleauth instance running.
root@eayun-manager:/var/log/nova# ps aux |grep nova-con
nova 1275 0.0 0.0 37952 1316 ? Ss 09:01 0:00 su -s /bin/sh -c exec nova-consoleauth --config-file=/etc/nova/nova.conf nova
nova 1276 0.3 2.3 187580 47220 ? S 09:01 0:01 /usr/bin/python /usr/bin/nova-consoleauth --config-file=/etc/nova/nova.conf
root 6748 0.0 0.0 10024 932 pts/2 S+ 09:06 0:00 grep --color=auto nova-con