https://bugzilla.redhat.com/show_bug.cgi?id=1420668 This has worked in previous releases. My commit c266b60440 broke it. Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; --- src/qemu/qemu_hotplug.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index 97fb272f6..0c0885695 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -1104,6 +1104,9 @@ qemuDomainAttachNetDevice(virQEMUDriverPtr driver, break; case VIR_DOMAIN_NET_TYPE_USER: + /* No preparation needed. */ + break; + case VIR_DOMAIN_NET_TYPE_SERVER: case VIR_DOMAIN_NET_TYPE_CLIENT: case VIR_DOMAIN_NET_TYPE_MCAST: