diff --git a/neutron_tempest_plugin/api/base.py b/neutron_tempest_plugin/api/base.py
index db84a7c..5a1de9c 100644
--- a/neutron_tempest_plugin/api/base.py
+++ b/neutron_tempest_plugin/api/base.py
@@ -546,7 +546,7 @@
         """
 
         if not cls.try_reserve_subnet_cidr(addr, **ipnetwork_kwargs):
-            raise ValueError('Subnet CIDR already reserved: {0!r}'.format(
+            LOG.info('Subnet CIDR already reserved: {0!r}'.format(
                 addr))
 
     @classmethod
@@ -1234,6 +1234,7 @@
     def setup_clients(cls):
         super(BaseAdminNetworkTest, cls).setup_clients()
         cls.admin_client = cls.os_admin.network_client
+        cls.admin_client.auth_provider.get_token()
         cls.identity_admin_client = cls.os_admin.projects_client
 
     @classmethod