Fix a few bugs introduced in recent changes

Change-Id: Ic939cc65208c4e3eb90f547ffac09ce40924641e
diff --git a/scripts/tenant_validator.py b/scripts/tenant_validator.py
index 86c9702..0ce504e 100644
--- a/scripts/tenant_validator.py
+++ b/scripts/tenant_validator.py
@@ -386,7 +386,7 @@
         netbox_config["api_endpoint"], token=netbox_config["token"], threading=True
     )
 
-    if not netbox_config.get("validate_certs", False):
+    if not netbox_config.get("validate_certs", True):
         session = requests.Session()
         session.verify = False
         netboxapi.http_session = session