It's a minor typo issue, /dev/vhost-net is a default device. # ll /dev/vhost-net crw-------. 1 root root 10, 238 Sep 22 20:30 /dev/vhost-net --- docs/formatdomain.html.in | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in index 5e2b65a..eefdd5e 100644 --- a/docs/formatdomain.html.in +++ b/docs/formatdomain.html.in @@ -3989,7 +3989,7 @@ qemu-kvm -net nic,model=? /dev/null &lt;source network='default'/&gt; &lt;target dev='vnet1'/&gt; &lt;model type='virtio'/&gt; - <b>&lt;backend tap='/dev/net/tun' vhost='/dev/net-vhost'/&gt;</b> + <b>&lt;backend tap='/dev/net/tun' vhost='/dev/vhost-net'/&gt;</b> &lt;driver name='vhost' txmode='iothread' ioeventfd='on' event_idx='off' queues='5'/&gt; &lt;/interface&gt; &lt;/devices&gt; -- 1.8.3.1