ch: Correctly set queue pairs for tapfdsize

Author: bryteise

src/ch/ch_monitor.c

@@ -406,7 +406,7 @@ virCHMonitorBuildNetJson(virDomainObjPtr vm, virJSONValuePtr nets, virDomainNetD
         }
     }
     if (netdef->driver.virtio.queues) {
-        if (virJSONValueObjectAppendNumberInt(net, "num_queues", netdef->driver.virtio.queues) < 0)
+        if (virJSONValueObjectAppendNumberInt(net, "num_queues", 2 * priv->tapfdSize) < 0)
             goto cleanup;
     }
 

src/ch/ch_process.c

@@ -592,8 +592,7 @@ chProcessNetworkPrepareDevices(virCHDriverPtr driver, virDomainObjPtr vm)
          } else if (actualType == VIR_DOMAIN_NET_TYPE_NETWORK ) {
             tapfdSize = net->driver.virtio.queues;
             if (!tapfdSize)
-                tapfdSize = 2; //This needs to be at least 2, based on
-                // https://github.com/cloud-hypervisor/cloud-hypervisor/blob/master/docs/networking.md
+                tapfdSize = 1;
 
             tapfd = g_new(int, tapfdSize);