diff --git a/serial_scripts/backup_restore/base.py b/serial_scripts/backup_restore/base.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/serial_scripts/backup_restore/test_backup_restore.py b/serial_scripts/backup_restore/test_backup_restore.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/serial_scripts/upgrade/sdn_topo_with_multi_project.py b/serial_scripts/upgrade/sdn_topo_with_multi_project.py
index b85ed40a2..bf815509d 100755
--- a/serial_scripts/upgrade/sdn_topo_with_multi_project.py
+++ b/serial_scripts/upgrade/sdn_topo_with_multi_project.py
@@ -22,7 +22,7 @@ def build_topo_project1(self, domain='default-domain', project='project1', usern
         self.vnet_list = ['vnet1']
         #
         # Define network info for each VN:
-        self.vn_nets = {'vnet1': ['10.1.1.0/30', '11.1.1.0/30']}
+        self.vn_nets = {'vnet1': ['10.1.1.0/28', '11.1.1.0/28']}
         #
         # Define netowrk IPAM for each VN, if not defined default-user-created
         # ipam will be created and used
@@ -89,7 +89,7 @@ def build_topo_project2(self, domain='default-domain', project='project2', usern
         self.vnet_list = ['vnet2']
         #
         # Define network info for each VN:
-        self.vn_nets = {'vnet2': ['12.1.1.0/30', '13.1.1.0/30']}
+        self.vn_nets = {'vnet2': ['12.1.1.0/28', '13.1.1.0/28']}
         #
         # Define netowrk IPAM for each VN, if not defined default-user-created
         # ipam will be created and used
diff --git a/serial_scripts/upgrade/test_upgrade.py b/serial_scripts/upgrade/test_upgrade.py
index dba427d87..a48b9ab90 100755
--- a/serial_scripts/upgrade/test_upgrade.py
+++ b/serial_scripts/upgrade/test_upgrade.py
@@ -441,8 +441,8 @@ def test_to_upgrade(self):
                 status.return_code), 'Failed in running : cd /opt/contrail/utils;fab upgrade_contrail:/tmp/temp/' + rpms
 
             m = re.search(
-                'contrail-install-packages(.*)([0-9]{2,4})(.*)(_all.deb|.el6.noarch.rpm)', rpms)
-            build_id = m.group(2)
+                'contrail-install-packages(_|-)(.*?-)(\d{1,})(.*)(_all.deb|.el6.noarch.rpm)', rpms)
+            build_id = m.group(3)
             status = run(
                 "contrail-version | grep contrail- | grep -v contrail-openstack-dashboard | awk '{print $1, $2, $3}'")
             self.logger.debug("contrail-version :\n %s" % status)