The device is created by the machine based on the sgx-epc property.
It should not be created by users.

Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/i386/sgx-epc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/i386/sgx-epc.c b/hw/i386/sgx-epc.c
index 55e2217eae..e508827e78 100644
--- a/hw/i386/sgx-epc.c
+++ b/hw/i386/sgx-epc.c
@@ -154,6 +154,7 @@ static void sgx_epc_class_init(ObjectClass *oc, void *data)
     dc->realize = sgx_epc_realize;
     dc->unrealize = sgx_epc_unrealize;
     dc->desc = "SGX EPC section";
+    dc->user_creatable = false;
     device_class_set_props(dc, sgx_epc_properties);
 
     mdc->get_addr = sgx_epc_md_get_addr;
-- 
2.33.1