virnetdevbandwidthtest: Test QoS for OVS
virnetdevbandwidthtest: Test QoS for OVS

Ever since v7.6.0-rc1~235 we can use ovs-vsctl to set QoS instead
of tc. However, we don't have a test that's verifying generated
cmd line for ovs-vsctl.

Signed-off-by: Michal Privoznik <83d82aaba2eed257f4814b0c239c260c4caaadf0@redhat.com>
Reviewed-by: Martin Kletzander <e82f23e74d43760279ebcc505dac4ae70d5627d0@redhat.com>

libvirt/libvirt,jfehlig/libvirt,olafhering/libvirt,crobinso/libvirt,libvirt/libvirt,jfehlig/libvirt,olafhering/libvirt,zippy2/libvirt,zippy2/libvirt,jfehlig/libvirt,libvirt/libvirt,libvirt/libvirt,crobinso/libvirt,olafhering/libvirt,crobinso/libvirt,olafhering/libvirt,zippy2/libvirt,zippy2/libvirt,crobinso/libvirt,jfehlig/libvirt