diff --git a/etc/nova/logging_sample.conf b/etc/nova/logging_sample.conf
index 15a5f1f9a1..03c6944fcb 100644
--- a/etc/nova/logging_sample.conf
+++ b/etc/nova/logging_sample.conf
@@ -39,6 +39,9 @@ level = WARNING
 handlers = stderr
 qualname = boto
 
+# NOTE(mikal): suds is used by the vmware driver, removing this will
+# cause many extraneous log lines for their tempest runs. Refer to
+# https://review.openstack.org/#/c/219225/ for details.
 [logger_suds]
 level = INFO
 handlers = stderr
diff --git a/nova/config.py b/nova/config.py
index c7b5c85732..4e0950a126 100644
--- a/nova/config.py
+++ b/nova/config.py
@@ -29,6 +29,9 @@ CONF = cfg.CONF
 
 _DEFAULT_SQL_CONNECTION = 'sqlite:///' + paths.state_path_def('nova.sqlite')
 
+# NOTE(mikal): suds is used by the vmware driver, removing this will
+# cause many extraneous log lines for their tempest runs. Refer to
+# https://review.openstack.org/#/c/219225/ for details.
 _DEFAULT_LOG_LEVELS = ['amqp=WARN', 'amqplib=WARN', 'boto=WARN',
                        'qpid=WARN', 'sqlalchemy=WARN', 'suds=INFO',
                        'oslo_messaging=INFO', 'iso8601=WARN',