virt-manager guest resize not working : <p>Installed virt-manager,
target virtual machine is debian jessie with spice-vdagent installed
shared clipboard, and latency-free mouse input works</p>

<p>Display: Spice
Video: QXL
Channel spice: spicevmc, virtio, com.redhat.spice.0 (confirmed /dev devices exist in target vm)</p>
