Folks, I am running wallaby and Today i had rabbitMQ issue and i rebuild RabbitMQ. but now my all compute node throwing following error. not sure what is going on up they are not trying to come up and keep crashing with following error 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service [req-6c3cdaa3-ecf9-4bef-9def-6b6a69dfd30b - - - - -] Error starting thread.: oslo_messaging.exceptions.MessagingTimeout: Timed out waiting for a reply to message ID 9510bd6c0d6a48e782ed7bc2887f32c8 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service Traceback (most recent call last): 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 433, in get 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service return self._queues[msg_id].get(block=True, timeout=timeout) 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/eventlet/queue.py", line 322, in get 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service return waiter.wait() 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/eventlet/queue.py", line 141, in wait 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service return get_hub().switch() 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/eventlet/hubs/hub.py", line 313, in switch 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service return self.greenlet.switch() 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service _queue.Empty 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service During handling of the above exception, another exception occurred: 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service Traceback (most recent call last): 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/oslo_service/service.py", line 807, in run_service 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service service.start() 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/nova/service.py", line 159, in start 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service self.manager.init_host() 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/nova/compute/manager.py", line 1413, in init_host 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service self.driver.init_host(host=self.host) 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/nova/virt/libvirt/driver.py", line 792, in init_host 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service self._register_instance_machine_type() 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/nova/virt/libvirt/driver.py", line 811, in _register_instance_machine_type 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service for instance in objects.InstanceList.get_by_host(context, hostname): 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/oslo_versionedobjects/base.py", line 175, in wrapper 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service result = cls.indirection_api.object_class_action_versions( 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/nova/conductor/rpcapi.py", line 240, in object_class_action_versions 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service return cctxt.call(context, 'object_class_action_versions', 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/oslo_messaging/rpc/client.py", line 175, in call 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service self.transport._send(self.target, msg_ctxt, msg, 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/oslo_messaging/transport.py", line 123, in _send 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service return self._driver.send(target, ctxt, message, 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 680, in send 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service return self._send(target, ctxt, message, wait_for_reply, timeout, 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 669, in _send 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service result = self._waiter.wait(msg_id, timeout, 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 559, in wait 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service message = self.waiters.get(msg_id, timeout=timeout) 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service File "/openstack/venvs/nova-23.1.1/lib/python3.8/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 435, in get 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service raise oslo_messaging.MessagingTimeout( 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service oslo_messaging.exceptions.MessagingTimeout: Timed out waiting for a reply to message ID 9510bd6c0d6a48e782ed7bc2887f32c8 2022-02-10 00:52:27.843 3660531 ERROR oslo_service.service