domain: Don't throw error when stopping a transient domain

src/virtManager/domain.py

@@ -1270,8 +1270,16 @@ class vmmDomain(vmmDomainBase):
         self.vcpu_max_count()
 
     def _update_status(self, status=None):
-        if status == None:
+        try:
             info = self.get_info()
+        except libvirt.libvirtError, e:
+            if (hasattr(libvirt, "VIR_ERR_NO_DOMAIN") and
+                e.get_error_code() == getattr(libvirt, "VIR_ERR_NO_DOMAIN")):
+                # Possibly a transient domain that was removed on shutdown
+                return
+            raise
+
+        if status == None:
             status = info[0]
         status = self._normalize_status(status)