swapon@hpkvm:~$ virt-host-validate
  QEMU: проверка для аппаратной виртуализации      : OK
  QEMU: проверка if device /dev/kvm exists                                   : OK
  QEMU: проверка if device /dev/kvm is accessible                            : OK
  QEMU: проверка if device /dev/vhost-net exists                             : OK
  QEMU: проверка if device /dev/net/tun exists                               : OK
  QEMU: проверка for cgroup 'cpu' controller support                         : OK
  QEMU: проверка for cgroup 'cpuacct' controller support                     : OK
  QEMU: проверка for cgroup 'cpuset' controller support                      : OK
  QEMU: проверка for cgroup 'memory' controller support                      : OK
  QEMU: проверка for cgroup 'devices' controller support                     : ПРЕДУПРЕЖДЕНИЕ (Enable 'devices' in kernel Kconfig file or mount/enable cgroup controller in your system)
  QEMU: проверка for cgroup 'blkio' controller support                       : OK
  QEMU: проверка для поддержки сопоставления устройств IOMMU: ПРЕДУПРЕЖДЕНИЕ (No ACPI DMAR table found, IOMMU either disabled in BIOS or not supported by this hardware platform)
  QEMU: проверка для поддержки безопасных гостевых систем: ПРЕДУПРЕЖДЕНИЕ (Unknown if this platform has Secure Guest support)
   LXC: проверка для Linux >= 2.6.26                                      : OK
   LXC: проверка for namespace ipc                                           : OK
   LXC: проверка for namespace mnt                                           : OK
   LXC: проверка for namespace pid                                           : OK
   LXC: проверка for namespace uts                                           : OK
   LXC: проверка for namespace net                                           : OK
   LXC: проверка for namespace user                                          : OK
   LXC: проверка for cgroup 'cpu' controller support                         : OK
   LXC: проверка for cgroup 'cpuacct' controller support                     : OK
   LXC: проверка for cgroup 'cpuset' controller support                      : OK
   LXC: проверка for cgroup 'memory' controller support                      : OK
   LXC: проверка for cgroup 'devices' controller support                     : ОШИБКА (Enable 'devices' in kernel Kconfig file or mount/enable cgroup controller in your system)
   LXC: проверка for cgroup 'freezer' controller support                     : ОШИБКА (Enable 'freezer' in kernel Kconfig file or mount/enable cgroup controller in your system)
   LXC: проверка for cgroup 'blkio' controller support                       : OK
   LXC: проверка if device /sys/fs/fuse/connections exists                   : OK
swapon@hpkvm:~$