Hi, Is this known issue? Any filed bug or fix to it? ======================================= 2021-11-23 23:04:20.943 40 ERROR futurist.periodics [-] Failed to call periodic 'networking_ovn.common.maintenance.DBInconsistenciesPeriodics.check_for_mcast_flood_reports' (it runs every 600.00 seconds): RuntimeError: OVSDB Error: The transaction failed because the IDL has been configured to require a database lock but didn't get it yet or has already lost it 2021-11-23 23:04:20.943 40 ERROR futurist.periodics Traceback (most recent call last): 2021-11-23 23:04:20.943 40 ERROR futurist.periodics File "/usr/lib/python3.6/site-packages/ovsdbapp/api.py", line 111, in transaction 2021-11-23 23:04:20.943 40 ERROR futurist.periodics yield self._nested_txns_map[cur_thread_id] 2021-11-23 23:04:20.943 40 ERROR futurist.periodics KeyError: 140347734591640 2021-11-23 23:04:20.943 40 ERROR futurist.periodics 2021-11-23 23:04:20.943 40 ERROR futurist.periodics During handling of the above exception, another exception occurred: 2021-11-23 23:04:20.943 40 ERROR futurist.periodics 2021-11-23 23:04:20.943 40 ERROR futurist.periodics Traceback (most recent call last): 2021-11-23 23:04:20.943 40 ERROR futurist.periodics File "/usr/lib/python3.6/site-packages/futurist/periodics.py", line 290, in run 2021-11-23 23:04:20.943 40 ERROR futurist.periodics work() 2021-11-23 23:04:20.943 40 ERROR futurist.periodics File "/usr/lib/python3.6/site-packages/futurist/periodics.py", line 64, in __call__ 2021-11-23 23:04:20.943 40 ERROR futurist.periodics return self.callback(*self.args, **self.kwargs) 2021-11-23 23:04:20.943 40 ERROR futurist.periodics File "/usr/lib/python3.6/site-packages/futurist/periodics.py", line 178, in decorator 2021-11-23 23:04:20.943 40 ERROR futurist.periodics return f(*args, **kwargs) 2021-11-23 23:04:20.943 40 ERROR futurist.periodics File "/usr/lib/python3.6/site-packages/networking_ovn/common/maintenance.py", line 667, in check_for_mcast_flood_reports 2021-11-23 23:04:20.943 40 ERROR futurist.periodics for port in self._nb_idl.lsp_list().execute(check_error=True): 2021-11-23 23:04:20.943 40 ERROR futurist.periodics File "/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/command.py", line 42, in execute 2021-11-23 23:04:20.943 40 ERROR futurist.periodics t.add(self) 2021-11-23 23:04:20.943 40 ERROR futurist.periodics File "/usr/lib64/python3.6/contextlib.py", line 88, in __exit__ 2021-11-23 23:04:20.943 40 ERROR futurist.periodics next(self.gen) 2021-11-23 23:04:20.943 40 ERROR futurist.periodics File "/usr/lib/python3.6/site-packages/networking_ovn/ovsdb/impl_idl_ovn.py", line 183, in transaction 2021-11-23 23:04:20.943 40 ERROR futurist.periodics yield t 2021-11-23 23:04:20.943 40 ERROR futurist.periodics File "/usr/lib64/python3.6/contextlib.py", line 88, in __exit__ 2021-11-23 23:04:20.943 40 ERROR futurist.periodics next(self.gen) 2021-11-23 23:04:20.943 40 ERROR futurist.periodics File "/usr/lib/python3.6/site-packages/ovsdbapp/api.py", line 119, in transaction 2021-11-23 23:04:20.943 40 ERROR futurist.periodics del self._nested_txns_map[cur_thread_id] 2021-11-23 23:04:20.943 40 ERROR futurist.periodics File "/usr/lib/python3.6/site-packages/ovsdbapp/api.py", line 69, in __exit__ 2021-11-23 23:04:20.943 40 ERROR futurist.periodics self.result = self.commit() 2021-11-23 23:04:20.943 40 ERROR futurist.periodics File "/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/transaction.py", line 62, in commit 2021-11-23 23:04:20.943 40 ERROR futurist.periodics raise result.ex 2021-11-23 23:04:20.943 40 ERROR futurist.periodics File "/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/connection.py", line 128, in run 2021-11-23 23:04:20.943 40 ERROR futurist.periodics txn.results.put(txn.do_commit()) 2021-11-23 23:04:20.943 40 ERROR futurist.periodics File "/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/transaction.py", line 115, in do_commit 2021-11-23 23:04:20.943 40 ERROR futurist.periodics raise RuntimeError(msg) 2021-11-23 23:04:20.943 40 ERROR futurist.periodics RuntimeError: OVSDB Error: The transaction failed because the IDL has been configured to require a database lock but didn't get it yet or has already lost it 2021-11-23 23:04:20.943 40 ERROR futurist.periodics ======================================= Thanks! Tony