fix for logging for restart keepalived before tempest

Change-Id: I195ad4f5461cccc270626869e8ad7b25a04f6e4d
diff --git a/tcp_tests/managers/openstack_manager.py b/tcp_tests/managers/openstack_manager.py
index 3995aaa..6454bdd 100644
--- a/tcp_tests/managers/openstack_manager.py
+++ b/tcp_tests/managers/openstack_manager.py
@@ -63,7 +63,7 @@
                    "-v /root/:/home/rally {2}{3} "
                    "-v /etc/ssl/certs/:/etc/ssl/certs/ >> image.output"
                    .format(conf_name, pattern, registry, image_name))
-        logger.info("Restart keepalived service before running tempest tests")
+        LOG.info("Restart keepalived service before running tempest tests")
         restart_keepalived_cmd = ("salt --hard-crash "
                                   "--state-output=mixed "
                                   "--state-verbose=True "