virNetDevSupportBandwidth: Enable QoS for vhostuser
virNetDevSupportBandwidth: Enable QoS for vhostuser

Since vhostuser type is really a tap that is just plugged into
different type of bridge, supporting QoS is trivial.

Signed-off-by: Michal Privoznik <83d82aaba2eed257f4814b0c239c260c4caaadf0@redhat.com>

jfehlig/libvirt,olafhering/libvirt,olafhering/libvirt,zippy2/libvirt,fabianfreyer/libvirt,eskultety/libvirt,nertpinx/libvirt,jardasgit/libvirt,jardasgit/libvirt,libvirt/libvirt,zippy2/libvirt,eskultety/libvirt,andreabolognani/libvirt,eskultety/libvirt,crobinso/libvirt,nertpinx/libvirt,olafhering/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,fabianfreyer/libvirt,crobinso/libvirt,andreabolognani/libvirt,andreabolognani/libvirt,jardasgit/libvirt,libvirt/libvirt,nertpinx/libvirt,fabianfreyer/libvirt,crobinso/libvirt,zippy2/libvirt,libvirt/libvirt,zippy2/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,nertpinx/libvirt,nertpinx/libvirt,jardasgit/libvirt,eskultety/libvirt,crobinso/libvirt,jardasgit/libvirt,andreabolognani/libvirt,libvirt/libvirt,jfehlig/libvirt,eskultety/libvirt,olafhering/libvirt,jfehlig/libvirt