Segmentation fault after upgrade to proxmox 3.2

After upgrade to 3.2 one of my container not start

from console:

# vzctl start 501
Starting container ...
Container is mounted
Adding IP address(es): 192.168.251.105
Setting CPU units: 1000
Setting CPUs: 2
/bin/bash: line 508: 31 Segmentation fault which resolvconf > /dev/null 2>&1

~# vzctl enter 501
Container is not running

how to solve this problem ? thanks, bye