On Fri, Jul 28, 2023 at 16:09:38 +0800, Han Han wrote: > Signed-off-by: Han Han <hhan@xxxxxxxxxx> > --- > src/qemu/qemu_validate.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c > index d5c2b2cd44..a5eb96c9b5 100644 > --- a/src/qemu/qemu_validate.c > +++ b/src/qemu/qemu_validate.c > @@ -1858,6 +1858,13 @@ qemuValidateDomainDeviceDefNetwork(const virDomainNetDef *net, > } > } > > + if (net->model == VIR_DOMAIN_NET_MODEL_IGB && > + !virQEMUCapsGet(qemuCaps, QEMU_CAPS_IGB)) { > + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", > + _("interface model igb is not supported with this QEMU binary")); > + return -1; > + } NACK, this was already discussed and is not needed: https://listman.redhat.com/archives/libvir-list/2023-April/239345.html