diff --git a/os_traits/compute/__init__.py b/os_traits/compute/__init__.py
new file mode 100644
index 0000000..8a3f3f3
--- /dev/null
+++ b/os_traits/compute/__init__.py
@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+
+# 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.
+
+TRAITS = [
+    # The virt driver supports associating a tag with a device *at boot time*
+    'DEVICE_TAGGING',
+]
diff --git a/os_traits/compute/net.py b/os_traits/compute/net.py
new file mode 100644
index 0000000..ac7fbfb
--- /dev/null
+++ b/os_traits/compute/net.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+
+# 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.
+
+TRAITS = [
+    # The virt driver supports attaching a network interface after boot
+    'ATTACH_INTERFACE',
+    # The virt driver supports attaching a network interface after boot and
+    # specifying a device tag for the interface
+    'ATTACH_INTERFACE_WITH_TAG',
+]
diff --git a/os_traits/compute/volume.py b/os_traits/compute/volume.py
new file mode 100644
index 0000000..5316902
--- /dev/null
+++ b/os_traits/compute/volume.py
@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+
+# 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.
+
+TRAITS = [
+    # The virt driver supports attaching a volume after boot
+    'ATTACH',
+    # The virt driver supports attaching a volume after boot and specifying a
+    # device tag for the volume
+    'ATTACH_WITH_TAG',
+    # The virt driver supports extending a volume after boot
+    'EXTEND',
+    # The virt driver supports volumes that can be attached to multiple guests
+    'MULTI_ATTACH',
+]
diff --git a/os_traits/tests/test_os_traits.py b/os_traits/tests/test_os_traits.py
index 668df55..6b83caf 100644
--- a/os_traits/tests/test_os_traits.py
+++ b/os_traits/tests/test_os_traits.py
@@ -47,6 +47,16 @@ class TestSymbols(base.TestCase):
         self.assertNotIn('CUSTOM_NAMESPACE', traits)
         self.assertNotIn('os_traits', traits)
 
+    def test_dunderinit_and_nondunderinit(self):
+        """Make sure we can have both dunderinit'd traits and submodules
+        co-exist in the same namespace.
+        """
+        traits = ot.get_traits('COMPUTE')
+        self.assertIn("COMPUTE_DEVICE_TAGGING", traits)
+        self.assertIn(ot.COMPUTE_DEVICE_TAGGING, traits)
+        self.assertIn("COMPUTE_VOLUME_EXTEND", traits)
+        self.assertIn(ot.COMPUTE_NET_ATTACH_INTERFACE, traits)
+
     def test_get_traits_filter_by_suffix(self):
         traits = ot.get_traits(suffix='SSE42')
         self.assertIn("HW_CPU_X86_SSE42", traits)