[root@localhost ~]# yum install vzkernel
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: mirror.nsu.ru
 * extras: mirror.nsu.ru
 * openvz-kernel-rhel6: mirror.yandex.ru
 * openvz-utils: mirror.yandex.ru
 * updates: mirror.yandex.ru
Resolving Dependencies
--> Running transaction check
---> Package vzkernel.x86_64 0:2.6.32-042stab123.1 will be installed
--> Processing Dependency: /sbin/mkinitrd for package: vzkernel-2.6.32-042stab123.1.x86_64
--> Processing Dependency: /sbin/mkinitrd for package: vzkernel-2.6.32-042stab123.1.x86_64
--> Finished Dependency Resolution
Error: Package: vzkernel-2.6.32-042stab123.1.x86_64 (openvz-kernel-rhel6)
           Requires: /sbin/mkinitrd
 You could try using --skip-broken to work around the problem
** Found 3 pre-existing rpmdb problem(s), 'yum check' output follows:
ipa-client-4.4.0-12.el7.centos.x86_64 has installed conflicts freeipa-client: ipa-client-4.4.0-12.el7.centos.x86_64
ipa-client-common-4.4.0-12.el7.centos.noarch has installed conflicts freeipa-client-common: ipa-client-common-4.4.0-12.el7.centos.noarch
ipa-common-4.4.0-12.el7.centos.noarch has installed conflicts freeipa-common: ipa-common-4.4.0-12.el7.centos.noarch