Add thread id to RO log format

Change-Id: I967aadd19fbecb3335aa833136a368d97997c410
Signed-off-by: Ravi Chamarty <ravi.chamarty@riftio.com>
diff --git a/openmanod b/openmanod
index 9e26870..38cff67 100755
--- a/openmanod
+++ b/openmanod
@@ -179,7 +179,7 @@
                                                'severity:%(levelname)s logger:%(name)s log:%(message)s'.format(
                                                     host=hostname),
                                                datefmt='%Y-%m-%dT%H:%M:%S')
-    log_format_simple =  "%(asctime)s %(levelname)s  %(name)s %(filename)s:%(lineno)s %(message)s"
+    log_format_simple =  "%(asctime)s %(levelname)s  %(name)s %(thread)d %(filename)s:%(lineno)s %(message)s"
     log_formatter_simple = logging.Formatter(log_format_simple, datefmt='%Y-%m-%dT%H:%M:%S')
     logging.basicConfig(format=log_format_simple, level= logging.DEBUG)
     logger = logging.getLogger('openmano')