1 files changed, 10 insertions, 7 deletions
diff --git a/tools/net/ynl/pyynl/cli.py b/tools/net/ynl/pyynl/cli.py
index 794e3c7dcc65..8c192e900bd3 100755
--- a/tools/net/ynl/pyynl/cli.py
+++ b/tools/net/ynl/pyynl/cli.py
@@ -113,6 +113,8 @@ def main():
         spec = f"{spec_dir()}/{args.family}.yaml"
         if args.schema is None and spec.startswith(sys_schema_dir):
             args.schema = '' # disable schema validation when installed
+        if args.process_unknown is None:
+            args.process_unknown = True
     else:
         spec = args.spec
     if not os.path.isfile(spec):
@@ -144,16 +146,17 @@ def main():
             ops = [ (item[0], json.loads(item[1]), args.flags or []) for item in args.multi ]
             reply = ynl.do_multi(ops)
             output(reply)
-    except NlError as e:
-        print(e)
-        exit(1)
 
-    if args.ntf:
-        try:
+        if args.ntf:
             for msg in ynl.poll_ntf(duration=args.duration):
                 output(msg)
-        except KeyboardInterrupt:
-            pass
+    except NlError as e:
+        print(e)
+        exit(1)
+    except KeyboardInterrupt:
+        pass
+    except BrokenPipeError:
+        pass
 
 
 if __name__ == "__main__":