diff --git a/builtin-run.c b/builtin-run.c
index 3345bf8..941129c 100644
--- a/builtin-run.c
+++ b/builtin-run.c
@@ -46,8 +46,8 @@
 #define DEFAULT_NETWORK		"user"
 #define DEFAULT_HOST_ADDR	"192.168.33.1"
 #define DEFAULT_GUEST_ADDR	"192.168.33.15"
-#define DEFAULT_GUEST_MAC	"00:15:15:15:15:15"
-#define DEFAULT_HOST_MAC	"00:01:01:01:01:01"
+#define DEFAULT_GUEST_MAC	"02:15:15:15:15:15"
+#define DEFAULT_HOST_MAC	"02:01:01:01:01:01"
 #define DEFAULT_SCRIPT		"none"
 
 #define MB_SHIFT		(20)
diff --git a/virtio/net.c b/virtio/net.c
index 739f157..e865b7f 100644
--- a/virtio/net.c
+++ b/virtio/net.c
@@ -219,9 +219,6 @@ static bool virtio_net_pci_io_in(struct ioport *ioport, struct kvm *kvm, u16 por
 		kvm__irq_line(kvm, pci_header.irq_line, VIRTIO_IRQ_LOW);
 		ndev.isr = VIRTIO_IRQ_LOW;
 		break;
-	case VIRTIO_MSI_CONFIG_VECTOR:
-		ioport__write16(data, ndev.config_vector);
-		break;
 	default:
 		ret = virtio_net_pci_io_device_specific_in(data, offset, size, count);
 	};