i try on centos7

        yum install -y vzkernel prlctl prl-disp-service libprlsdk-python vzstat
        systemctl enable prl-disp
        systemctl restart prl-disp
        systemctl enable vz
        systemctl restart vz
        systemctl enable ksm
        systemctl enable ksmtuned
        systemctl enable libvirtd
        systemctl restart ksm
        systemctl restart ksmtuned
        systemctl restart libvirtd
reboot

add VEFSTYPE="simfs" to /etc/vz/vz.conf

vzctl create 106 --ostemplate=centos-6
vzctl create 107 --ostemplate=centos-7

vzctl start 106
vzctl start 107

all fine

to restart container on reboot host-machine need packet libprlsdk-python
this install python sdk lib fot /etc/vcmmd.d/vz python-script