<varname>openvz</varname>,
<varname>lxc</varname>,
<varname>lxc-libvirt</varname>,
- <varname>systemd-nspawn</varname>,
- <varname>pidns</varname> to test
+ <varname>systemd-nspawn</varname> to test
against a specific implementation. If
multiple virtualization technologies
are nested only the innermost is