RTNETLINK answers: Network is unreachable

[Marc Iglesias Hernández]

Hello, when I try to start a VPS OpenVZ in my Proxmox I get this:

Could you help me solve it?

Starting container ...
Container is mounted
Adding IP address(es): 149.56.71.97
RTNETLINK answers: Network is unreachable
RTNETLINK answers: Network is unreachable
RTNETLINK answers: File exists
vps-net_add ERROR: Unable to add route ip route add 149.56.71.97 dev venet0
Container start failed (try to check kernel messages, e.g. "dmesg | tail")
Killing container ...
Container was stopped
Container is unmounted
TASK ERROR: command 'vzctl start 132' failed: exit code 34