diff --git a/devstack/plugin.sh b/devstack/plugin.sh
index 840760ca5f..5d313d77df 100644
--- a/devstack/plugin.sh
+++ b/devstack/plugin.sh
@@ -387,7 +387,7 @@ function setup_mgmt_network() {
 
     if [[ "$IP_VERSION" =~ 4.* ]]; then
         NEW_SUBNET_ID=$(create_mgmt_subnet_v4 ${PROJECT_ID} ${network_id} ${SUBNET_NAME} ${SUBNET_RANGE})
-        openstack router add subnet $ROUTER_ID $NEW_SUBNET_ID
+        # openstack router add subnet $ROUTER_ID $NEW_SUBNET_ID
     fi
     # Trove doesn't support IPv6 for now.
 #    if [[ "$IP_VERSION" =~ .*6 ]]; then
diff --git a/trove/instance/models.py b/trove/instance/models.py
index 7a13af2ea6..a4c959e989 100644
--- a/trove/instance/models.py
+++ b/trove/instance/models.py
@@ -783,7 +783,9 @@ class BaseInstance(SimpleInstance):
         try:
             if self.volume_id:
                 volume = self.volume_client.volumes.get(self.volume_id)
-                if volume.status == "available":
+                if volume.status in ["available", "error"]:
+                    LOG.info("Deleting volume %s for instance %s",
+                             self.volume_id, self.id)
                     volume.delete()
         except Exception as e:
             LOG.warning("Failed to delete volume for instance %s, error: %s",