Merge "Added libvirt dependency to nova-libvirt debian based containers"

Author: Zuul

docker/nova/nova-libvirt/Dockerfile.j2

@@ -46,6 +46,7 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
         'libsasl2-modules-gssapi-mit',
         'libvirt-clients',
         'libvirt-daemon-system',
+        'mdevctl',
         'openvswitch-switch',
         'pm-utils',
         'python3-cephfs',