If default-network-ipam is not found in the project, use global defau…

…lt ipam

Change-Id: I4566e663eb48bb670377fc914b9da59a60f37208
Closes-Bug: 1456541

src/config/svc-monitor/svc_monitor/instance_manager.py

@@ -164,7 +164,10 @@ def create_service_vn(self, vn_name, vn_subnet,
             vn_obj.set_id_perms(id_perms)
         domain_name, project_name = proj_obj.get_fq_name()
         ipam_fq_name = [domain_name, project_name, 'default-network-ipam']
-        ipam_obj = self._vnc_lib.network_ipam_read(fq_name=ipam_fq_name)
+        try:
+            ipam_obj = self._vnc_lib.network_ipam_read(fq_name=ipam_fq_name)
+        except NoIdError:
+            ipam_obj = NetworkIpam()
         cidr = vn_subnet.split('/')
         pfx = cidr[0]
         pfx_len = int(cidr[1])