Fix conn close error on retrieving log events (#23470)

related: [#23469] (#23469).

airflow/providers/amazon/aws/operators/ecs.py

@@ -25,7 +25,7 @@
 from threading import Event, Thread
 from typing import Dict, Generator, Optional, Sequence
 
-from botocore.exceptions import ClientError
+from botocore.exceptions import ClientError, ConnectionClosedError
 from botocore.waiter import Waiter
 
 from airflow.exceptions import AirflowException
@@ -139,6 +139,9 @@ def _get_log_events(self, skip: int = 0) -> Generator:
                 self.logger.warning('Error on retrieving Cloudwatch log events', error)
 
             yield from ()
+        except ConnectionClosedError as error:
+            self.logger.warning('ConnectionClosedError on retrieving Cloudwatch log events', error)
+            yield from ()
 
     def _event_to_str(self, event: dict) -> str:
         event_dt = datetime.utcfromtimestamp(event['timestamp'] / 1000.0)