openvz7 node generates messages "Failed to load libpcs_client.so.1"

>Description of problem:
https://forum.openvz.org/index.php?t=rview&goto=53451&th=13584#msg_53451

After installing OpenVZ 7 (I've used the latest release 7.0.8-390) I got warnings in /var/log/messages log file:

Oct 4 09:35:41 backup prl_disp_service: 10-04 09:35:41.628 F /HostUtils:2044:2435/ Failed to load libpcs_client.so.1: libpcs_client.so.1: cannot open shared object file: No such file or directory
Oct 4 09:42:54 backup dnsmasq-dhcp[2396]: RTR-ADVERT(virbr0) fdb2:2c26:f4e4::
Oct 4 09:45:41 backup prl_disp_service: 10-04 09:45:41.503 F /disp:2044:2044/ Synchronizing VMs uptime values
Oct 4 09:45:41 backup prl_disp_service: 10-04 09:45:41.504 F /disp:2044:2044/ Synchronization of VMs uptime was completed
Oct 4 09:45:41 backup prl_disp_service: 10-04 09:45:41.637 F /HostUtils:2044:2435/ Failed to load libpcs_client.so.1: libpcs_client.so.1: cannot open shared object file: No such file or directory
Oct 4 09:51:21 backup dnsmasq-dhcp[2396]: RTR-ADVERT(virbr0) fdb2:2c26:f4e4::
Oct 4 09:55:41 backup prl_disp_service: 10-04 09:55:41.717 F /HostUtils:2044:2435/ Failed to load libpcs_client.so.1: libpcs_client.so.1: cannot open shared object file: No such file or directory

Where can I get libpcs_client.so.1 file? Or how can I suppress this warning?