diff --git a/ironic_tempest_plugin/exceptions.py b/ironic_tempest_plugin/exceptions.py
new file mode 100644
index 0000000..7791c40
--- /dev/null
+++ b/ironic_tempest_plugin/exceptions.py
@@ -0,0 +1,25 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from tempest import exceptions
+
+
+class IntrospectionFailed(exceptions.TempestException):
+    message = "Introspection failed"
+
+
+class IntrospectionTimeout(exceptions.TempestException):
+    message = "Introspection time out"
+
+
+class HypervisorUpdateTimeout(exceptions.TempestException):
+    message = "Hypervisor stats update time out"