A Container with CentOS 6.5 distribution inside may fail to start with an error:
vz-net_add ERROR: Unable to set route
It happens due to a bug in the
iproute package, which sometimes reports wrong device name
ifX. The Red Hat bug reference is RHBZ #1102636.
Restart the affected container or downgrade the
iproute package to the version equal to or earlier than 2.6.32-23.el6.