Fix No handlers could be found for logger "elasticsearch.trace"

There is need to set default log level for elasticsearch.trace.

Change-Id: Iff67f7858014b63f8f62fc0378daa1dba77d5a05
Closes-Bug: #1644599
Signed-off-by: Ruslan Aliev <raliev@mirantis.com>

freezer_api/common/config.py

@@ -73,7 +73,7 @@ def parse_args(args=[]):
 def setup_logging():
     _DEFAULT_LOG_LEVELS = ['amqp=WARN', 'amqplib=WARN', 'boto=WARN',
                            'qpid=WARN', 'stevedore=WARN', 'oslo_log=INFO',
-                           'iso8601=WARN',
+                           'iso8601=WARN', 'elasticsearch.trace=WARN',
                            'requests.packages.urllib3.connectionpool=WARN',
                            'urllib3.connectionpool=WARN', 'websocket=WARN',
                            'keystonemiddleware=WARN', 'routes.middleware=WARN']