INFO: =================== Mon Sep 14 01:48:30 AM UTC 2026 ===================
INFO: Cassandra is connected
AttributeError
Python 3.9.25: /usr/bin/python3
Mon Sep 14 01:49:02 2026

A problem occurred in a Python script.  Here is the sequence of
function calls leading up to the error, in the order they occurred.

 /usr/local/bin/contrail-device-manager in <module>
    4 import sys
    5 from device_manager.dm_server import server_main
    6 if __name__ == '__main__':
    7     sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
    8     sys.exit(server_main())
sys = <module 'sys' (built-in)>
sys.exit = <built-in function exit>
server_main = <function server_main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in server_main()
  283 def server_main():
  284     vnc_cgitb.enable(format='text')
  285     main()
  286 # end server_main
  287 
global main = <function main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in main(args_str='--conf_file /etc/contrail/contrail-device-manage...nf_file /etc/contrail/contrail-keystone-auth.conf')
  271                                                 args.zookeeper_ssl_ca_cert)
  272         else:
  273             _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  274                                                 args.zk_server_ip,
  275                                                 args.host_ip)
global _zookeeper_client = None
global ZookeeperClient = <class 'cfgm_common.zkclient.ZookeeperClient'>
client_pfx = ''
args = Namespace(conf_file=['/etc/contrail/contrail-dev...539bc460>, random_collectors=['10.0.0.162:8086'])
args.zk_server_ip = '10.0.0.162:2181'
args.host_ip = '10.0.0.162'

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in __init__(self=<cfgm_common.zkclient.ZookeeperClient object>, module='device-manager', server_list='10.0.0.162:2181', host_ip='10.0.0.162', logging_fn=None, zk_timeout=400, log_response_time=None, zk_ssl_enable=False, zk_ssl_keyfile=None, zk_ssl_certificate=None, zk_ssl_ca_cert=None)
  476         self.get_children= self._response_time(self.get_children, "GET_CHILDREN")
  477         self.exists = self._response_time(self.exists, "EXISTS")
  478         self.connect()
  479     # end __init__
  480 
self = <cfgm_common.zkclient.ZookeeperClient object>
self.connect = <bound method ZookeeperClient.connect of <cfgm_common.zkclient.ZookeeperClient object>>

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in connect(self=<cfgm_common.zkclient.ZookeeperClient object>)
  497                 self._zk_client.start()
  498                 break
  499             except gevent.event.Timeout as e:
  500                 self._zk_client.close()
  501                 # Update connection info
global gevent = <module 'gevent' from '/usr/local/lib64/python3.9/site-packages/gevent/__init__.py'>
gevent.event = <module 'gevent._gevent_cevent' from '/usr/local...t/_gevent_cevent.cpython-39-x86_64-linux-gnu.so'>
gevent.event.Timeout undefined
e undefined
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'
    __cause__ = None
    __class__ = <class 'AttributeError'>
    __context__ = <timeout_exception at 0x7f8b539a4100 seconds=None exception='Connection time-out'>
    __delattr__ = <method-wrapper '__delattr__' of AttributeError object>
    __dict__ = {}
    __dir__ = <built-in method __dir__ of AttributeError object>
    __doc__ = 'Attribute not found.'
    __eq__ = <method-wrapper '__eq__' of AttributeError object>
    __format__ = <built-in method __format__ of AttributeError object>
    __ge__ = <method-wrapper '__ge__' of AttributeError object>
    __getattribute__ = <method-wrapper '__getattribute__' of AttributeError object>
    __gt__ = <method-wrapper '__gt__' of AttributeError object>
    __hash__ = <method-wrapper '__hash__' of AttributeError object>
    __init__ = <method-wrapper '__init__' of AttributeError object>
    __init_subclass__ = <built-in method __init_subclass__ of type object>
    __le__ = <method-wrapper '__le__' of AttributeError object>
    __lt__ = <method-wrapper '__lt__' of AttributeError object>
    __ne__ = <method-wrapper '__ne__' of AttributeError object>
    __new__ = <built-in method __new__ of type object>
    __reduce__ = <built-in method __reduce__ of AttributeError object>
    __reduce_ex__ = <built-in method __reduce_ex__ of AttributeError object>
    __repr__ = <method-wrapper '__repr__' of AttributeError object>
    __setattr__ = <method-wrapper '__setattr__' of AttributeError object>
    __setstate__ = <built-in method __setstate__ of AttributeError object>
    __sizeof__ = <built-in method __sizeof__ of AttributeError object>
    __str__ = <method-wrapper '__str__' of AttributeError object>
    __subclasshook__ = <built-in method __subclasshook__ of type object>
    __suppress_context__ = False
    __traceback__ = <traceback object>
    args = ("module 'gevent._gevent_cevent' has no attribute 'Timeout'",)
    with_traceback = <built-in method with_traceback of AttributeError object>

The above is a description of an error in a Python program.  Here is
the original traceback:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 497, in connect
    self._zk_client.start()
  File "/usr/local/lib/python3.9/site-packages/kazoo/client.py", line 673, in start
    raise self.handler.timeout_exception("Connection time-out")
kazoo.handlers.gevent.SequentialGeventHandler.timeout_exception

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/contrail-device-manager", line 8, in <module>
    sys.exit(server_main())
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 285, in server_main
    main()
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 273, in main
    _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 478, in __init__
    self.connect()
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 499, in connect
    except gevent.event.Timeout as e:
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'


INFO: =================== Mon Sep 14 01:49:03 AM UTC 2026 ===================
INFO: Cassandra is connected
AttributeError
Python 3.9.25: /usr/bin/python3
Mon Sep 14 01:49:29 2026

A problem occurred in a Python script.  Here is the sequence of
function calls leading up to the error, in the order they occurred.

 /usr/local/bin/contrail-device-manager in <module>
    4 import sys
    5 from device_manager.dm_server import server_main
    6 if __name__ == '__main__':
    7     sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
    8     sys.exit(server_main())
sys = <module 'sys' (built-in)>
sys.exit = <built-in function exit>
server_main = <function server_main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in server_main()
  283 def server_main():
  284     vnc_cgitb.enable(format='text')
  285     main()
  286 # end server_main
  287 
global main = <function main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in main(args_str='--conf_file /etc/contrail/contrail-device-manage...nf_file /etc/contrail/contrail-keystone-auth.conf')
  271                                                 args.zookeeper_ssl_ca_cert)
  272         else:
  273             _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  274                                                 args.zk_server_ip,
  275                                                 args.host_ip)
global _zookeeper_client = None
global ZookeeperClient = <class 'cfgm_common.zkclient.ZookeeperClient'>
client_pfx = ''
args = Namespace(conf_file=['/etc/contrail/contrail-dev...47cd6880>, random_collectors=['10.0.0.162:8086'])
args.zk_server_ip = '10.0.0.162:2181'
args.host_ip = '10.0.0.162'

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in __init__(self=<cfgm_common.zkclient.ZookeeperClient object>, module='device-manager', server_list='10.0.0.162:2181', host_ip='10.0.0.162', logging_fn=None, zk_timeout=400, log_response_time=None, zk_ssl_enable=False, zk_ssl_keyfile=None, zk_ssl_certificate=None, zk_ssl_ca_cert=None)
  476         self.get_children= self._response_time(self.get_children, "GET_CHILDREN")
  477         self.exists = self._response_time(self.exists, "EXISTS")
  478         self.connect()
  479     # end __init__
  480 
self = <cfgm_common.zkclient.ZookeeperClient object>
self.connect = <bound method ZookeeperClient.connect of <cfgm_common.zkclient.ZookeeperClient object>>

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in connect(self=<cfgm_common.zkclient.ZookeeperClient object>)
  497                 self._zk_client.start()
  498                 break
  499             except gevent.event.Timeout as e:
  500                 self._zk_client.close()
  501                 # Update connection info
global gevent = <module 'gevent' from '/usr/local/lib64/python3.9/site-packages/gevent/__init__.py'>
gevent.event = <module 'gevent._gevent_cevent' from '/usr/local...t/_gevent_cevent.cpython-39-x86_64-linux-gnu.so'>
gevent.event.Timeout undefined
e undefined
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'
    __cause__ = None
    __class__ = <class 'AttributeError'>
    __context__ = <timeout_exception at 0x7f2047d03160 seconds=None exception='Connection time-out'>
    __delattr__ = <method-wrapper '__delattr__' of AttributeError object>
    __dict__ = {}
    __dir__ = <built-in method __dir__ of AttributeError object>
    __doc__ = 'Attribute not found.'
    __eq__ = <method-wrapper '__eq__' of AttributeError object>
    __format__ = <built-in method __format__ of AttributeError object>
    __ge__ = <method-wrapper '__ge__' of AttributeError object>
    __getattribute__ = <method-wrapper '__getattribute__' of AttributeError object>
    __gt__ = <method-wrapper '__gt__' of AttributeError object>
    __hash__ = <method-wrapper '__hash__' of AttributeError object>
    __init__ = <method-wrapper '__init__' of AttributeError object>
    __init_subclass__ = <built-in method __init_subclass__ of type object>
    __le__ = <method-wrapper '__le__' of AttributeError object>
    __lt__ = <method-wrapper '__lt__' of AttributeError object>
    __ne__ = <method-wrapper '__ne__' of AttributeError object>
    __new__ = <built-in method __new__ of type object>
    __reduce__ = <built-in method __reduce__ of AttributeError object>
    __reduce_ex__ = <built-in method __reduce_ex__ of AttributeError object>
    __repr__ = <method-wrapper '__repr__' of AttributeError object>
    __setattr__ = <method-wrapper '__setattr__' of AttributeError object>
    __setstate__ = <built-in method __setstate__ of AttributeError object>
    __sizeof__ = <built-in method __sizeof__ of AttributeError object>
    __str__ = <method-wrapper '__str__' of AttributeError object>
    __subclasshook__ = <built-in method __subclasshook__ of type object>
    __suppress_context__ = False
    __traceback__ = <traceback object>
    args = ("module 'gevent._gevent_cevent' has no attribute 'Timeout'",)
    with_traceback = <built-in method with_traceback of AttributeError object>

The above is a description of an error in a Python program.  Here is
the original traceback:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 497, in connect
    self._zk_client.start()
  File "/usr/local/lib/python3.9/site-packages/kazoo/client.py", line 673, in start
    raise self.handler.timeout_exception("Connection time-out")
kazoo.handlers.gevent.SequentialGeventHandler.timeout_exception

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/contrail-device-manager", line 8, in <module>
    sys.exit(server_main())
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 285, in server_main
    main()
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 273, in main
    _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 478, in __init__
    self.connect()
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 499, in connect
    except gevent.event.Timeout as e:
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'


INFO: =================== Mon Sep 14 01:49:42 AM UTC 2026 ===================
INFO: Cassandra is connected
AttributeError
Python 3.9.25: /usr/bin/python3
Mon Sep 14 01:50:09 2026

A problem occurred in a Python script.  Here is the sequence of
function calls leading up to the error, in the order they occurred.

 /usr/local/bin/contrail-device-manager in <module>
    4 import sys
    5 from device_manager.dm_server import server_main
    6 if __name__ == '__main__':
    7     sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
    8     sys.exit(server_main())
sys = <module 'sys' (built-in)>
sys.exit = <built-in function exit>
server_main = <function server_main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in server_main()
  283 def server_main():
  284     vnc_cgitb.enable(format='text')
  285     main()
  286 # end server_main
  287 
global main = <function main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in main(args_str='--conf_file /etc/contrail/contrail-device-manage...nf_file /etc/contrail/contrail-keystone-auth.conf')
  271                                                 args.zookeeper_ssl_ca_cert)
  272         else:
  273             _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  274                                                 args.zk_server_ip,
  275                                                 args.host_ip)
global _zookeeper_client = None
global ZookeeperClient = <class 'cfgm_common.zkclient.ZookeeperClient'>
client_pfx = ''
args = Namespace(conf_file=['/etc/contrail/contrail-dev...d9850c10>, random_collectors=['10.0.0.162:8086'])
args.zk_server_ip = '10.0.0.162:2181'
args.host_ip = '10.0.0.162'

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in __init__(self=<cfgm_common.zkclient.ZookeeperClient object>, module='device-manager', server_list='10.0.0.162:2181', host_ip='10.0.0.162', logging_fn=None, zk_timeout=400, log_response_time=None, zk_ssl_enable=False, zk_ssl_keyfile=None, zk_ssl_certificate=None, zk_ssl_ca_cert=None)
  476         self.get_children= self._response_time(self.get_children, "GET_CHILDREN")
  477         self.exists = self._response_time(self.exists, "EXISTS")
  478         self.connect()
  479     # end __init__
  480 
self = <cfgm_common.zkclient.ZookeeperClient object>
self.connect = <bound method ZookeeperClient.connect of <cfgm_common.zkclient.ZookeeperClient object>>

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in connect(self=<cfgm_common.zkclient.ZookeeperClient object>)
  497                 self._zk_client.start()
  498                 break
  499             except gevent.event.Timeout as e:
  500                 self._zk_client.close()
  501                 # Update connection info
global gevent = <module 'gevent' from '/usr/local/lib64/python3.9/site-packages/gevent/__init__.py'>
gevent.event = <module 'gevent._gevent_cevent' from '/usr/local...t/_gevent_cevent.cpython-39-x86_64-linux-gnu.so'>
gevent.event.Timeout undefined
e undefined
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'
    __cause__ = None
    __class__ = <class 'AttributeError'>
    __context__ = <timeout_exception at 0x7f3fd985a100 seconds=None exception='Connection time-out'>
    __delattr__ = <method-wrapper '__delattr__' of AttributeError object>
    __dict__ = {}
    __dir__ = <built-in method __dir__ of AttributeError object>
    __doc__ = 'Attribute not found.'
    __eq__ = <method-wrapper '__eq__' of AttributeError object>
    __format__ = <built-in method __format__ of AttributeError object>
    __ge__ = <method-wrapper '__ge__' of AttributeError object>
    __getattribute__ = <method-wrapper '__getattribute__' of AttributeError object>
    __gt__ = <method-wrapper '__gt__' of AttributeError object>
    __hash__ = <method-wrapper '__hash__' of AttributeError object>
    __init__ = <method-wrapper '__init__' of AttributeError object>
    __init_subclass__ = <built-in method __init_subclass__ of type object>
    __le__ = <method-wrapper '__le__' of AttributeError object>
    __lt__ = <method-wrapper '__lt__' of AttributeError object>
    __ne__ = <method-wrapper '__ne__' of AttributeError object>
    __new__ = <built-in method __new__ of type object>
    __reduce__ = <built-in method __reduce__ of AttributeError object>
    __reduce_ex__ = <built-in method __reduce_ex__ of AttributeError object>
    __repr__ = <method-wrapper '__repr__' of AttributeError object>
    __setattr__ = <method-wrapper '__setattr__' of AttributeError object>
    __setstate__ = <built-in method __setstate__ of AttributeError object>
    __sizeof__ = <built-in method __sizeof__ of AttributeError object>
    __str__ = <method-wrapper '__str__' of AttributeError object>
    __subclasshook__ = <built-in method __subclasshook__ of type object>
    __suppress_context__ = False
    __traceback__ = <traceback object>
    args = ("module 'gevent._gevent_cevent' has no attribute 'Timeout'",)
    with_traceback = <built-in method with_traceback of AttributeError object>

The above is a description of an error in a Python program.  Here is
the original traceback:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 497, in connect
    self._zk_client.start()
  File "/usr/local/lib/python3.9/site-packages/kazoo/client.py", line 673, in start
    raise self.handler.timeout_exception("Connection time-out")
kazoo.handlers.gevent.SequentialGeventHandler.timeout_exception

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/contrail-device-manager", line 8, in <module>
    sys.exit(server_main())
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 285, in server_main
    main()
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 273, in main
    _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 478, in __init__
    self.connect()
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 499, in connect
    except gevent.event.Timeout as e:
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'


INFO: =================== Mon Sep 14 01:50:36 AM UTC 2026 ===================
INFO: Cassandra is connected
AttributeError
Python 3.9.25: /usr/bin/python3
Mon Sep 14 01:51:03 2026

A problem occurred in a Python script.  Here is the sequence of
function calls leading up to the error, in the order they occurred.

 /usr/local/bin/contrail-device-manager in <module>
    4 import sys
    5 from device_manager.dm_server import server_main
    6 if __name__ == '__main__':
    7     sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
    8     sys.exit(server_main())
sys = <module 'sys' (built-in)>
sys.exit = <built-in function exit>
server_main = <function server_main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in server_main()
  283 def server_main():
  284     vnc_cgitb.enable(format='text')
  285     main()
  286 # end server_main
  287 
global main = <function main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in main(args_str='--conf_file /etc/contrail/contrail-device-manage...nf_file /etc/contrail/contrail-keystone-auth.conf')
  271                                                 args.zookeeper_ssl_ca_cert)
  272         else:
  273             _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  274                                                 args.zk_server_ip,
  275                                                 args.host_ip)
global _zookeeper_client = None
global ZookeeperClient = <class 'cfgm_common.zkclient.ZookeeperClient'>
client_pfx = ''
args = Namespace(conf_file=['/etc/contrail/contrail-dev...e8272460>, random_collectors=['10.0.0.162:8086'])
args.zk_server_ip = '10.0.0.162:2181'
args.host_ip = '10.0.0.162'

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in __init__(self=<cfgm_common.zkclient.ZookeeperClient object>, module='device-manager', server_list='10.0.0.162:2181', host_ip='10.0.0.162', logging_fn=None, zk_timeout=400, log_response_time=None, zk_ssl_enable=False, zk_ssl_keyfile=None, zk_ssl_certificate=None, zk_ssl_ca_cert=None)
  476         self.get_children= self._response_time(self.get_children, "GET_CHILDREN")
  477         self.exists = self._response_time(self.exists, "EXISTS")
  478         self.connect()
  479     # end __init__
  480 
self = <cfgm_common.zkclient.ZookeeperClient object>
self.connect = <bound method ZookeeperClient.connect of <cfgm_common.zkclient.ZookeeperClient object>>

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in connect(self=<cfgm_common.zkclient.ZookeeperClient object>)
  497                 self._zk_client.start()
  498                 break
  499             except gevent.event.Timeout as e:
  500                 self._zk_client.close()
  501                 # Update connection info
global gevent = <module 'gevent' from '/usr/local/lib64/python3.9/site-packages/gevent/__init__.py'>
gevent.event = <module 'gevent._gevent_cevent' from '/usr/local...t/_gevent_cevent.cpython-39-x86_64-linux-gnu.so'>
gevent.event.Timeout undefined
e undefined
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'
    __cause__ = None
    __class__ = <class 'AttributeError'>
    __context__ = <timeout_exception at 0x7f5ae8260160 seconds=None exception='Connection time-out'>
    __delattr__ = <method-wrapper '__delattr__' of AttributeError object>
    __dict__ = {}
    __dir__ = <built-in method __dir__ of AttributeError object>
    __doc__ = 'Attribute not found.'
    __eq__ = <method-wrapper '__eq__' of AttributeError object>
    __format__ = <built-in method __format__ of AttributeError object>
    __ge__ = <method-wrapper '__ge__' of AttributeError object>
    __getattribute__ = <method-wrapper '__getattribute__' of AttributeError object>
    __gt__ = <method-wrapper '__gt__' of AttributeError object>
    __hash__ = <method-wrapper '__hash__' of AttributeError object>
    __init__ = <method-wrapper '__init__' of AttributeError object>
    __init_subclass__ = <built-in method __init_subclass__ of type object>
    __le__ = <method-wrapper '__le__' of AttributeError object>
    __lt__ = <method-wrapper '__lt__' of AttributeError object>
    __ne__ = <method-wrapper '__ne__' of AttributeError object>
    __new__ = <built-in method __new__ of type object>
    __reduce__ = <built-in method __reduce__ of AttributeError object>
    __reduce_ex__ = <built-in method __reduce_ex__ of AttributeError object>
    __repr__ = <method-wrapper '__repr__' of AttributeError object>
    __setattr__ = <method-wrapper '__setattr__' of AttributeError object>
    __setstate__ = <built-in method __setstate__ of AttributeError object>
    __sizeof__ = <built-in method __sizeof__ of AttributeError object>
    __str__ = <method-wrapper '__str__' of AttributeError object>
    __subclasshook__ = <built-in method __subclasshook__ of type object>
    __suppress_context__ = False
    __traceback__ = <traceback object>
    args = ("module 'gevent._gevent_cevent' has no attribute 'Timeout'",)
    with_traceback = <built-in method with_traceback of AttributeError object>

The above is a description of an error in a Python program.  Here is
the original traceback:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 497, in connect
    self._zk_client.start()
  File "/usr/local/lib/python3.9/site-packages/kazoo/client.py", line 673, in start
    raise self.handler.timeout_exception("Connection time-out")
kazoo.handlers.gevent.SequentialGeventHandler.timeout_exception

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/contrail-device-manager", line 8, in <module>
    sys.exit(server_main())
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 285, in server_main
    main()
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 273, in main
    _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 478, in __init__
    self.connect()
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 499, in connect
    except gevent.event.Timeout as e:
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'


INFO: =================== Mon Sep 14 01:51:50 AM UTC 2026 ===================
INFO: Cassandra is connected
AttributeError
Python 3.9.25: /usr/bin/python3
Mon Sep 14 01:52:14 2026

A problem occurred in a Python script.  Here is the sequence of
function calls leading up to the error, in the order they occurred.

 /usr/local/bin/contrail-device-manager in <module>
    4 import sys
    5 from device_manager.dm_server import server_main
    6 if __name__ == '__main__':
    7     sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
    8     sys.exit(server_main())
sys = <module 'sys' (built-in)>
sys.exit = <built-in function exit>
server_main = <function server_main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in server_main()
  283 def server_main():
  284     vnc_cgitb.enable(format='text')
  285     main()
  286 # end server_main
  287 
global main = <function main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in main(args_str='--conf_file /etc/contrail/contrail-device-manage...nf_file /etc/contrail/contrail-keystone-auth.conf')
  271                                                 args.zookeeper_ssl_ca_cert)
  272         else:
  273             _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  274                                                 args.zk_server_ip,
  275                                                 args.host_ip)
global _zookeeper_client = None
global ZookeeperClient = <class 'cfgm_common.zkclient.ZookeeperClient'>
client_pfx = ''
args = Namespace(conf_file=['/etc/contrail/contrail-dev...3f554d30>, random_collectors=['10.0.0.162:8086'])
args.zk_server_ip = '10.0.0.162:2181'
args.host_ip = '10.0.0.162'

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in __init__(self=<cfgm_common.zkclient.ZookeeperClient object>, module='device-manager', server_list='10.0.0.162:2181', host_ip='10.0.0.162', logging_fn=None, zk_timeout=400, log_response_time=None, zk_ssl_enable=False, zk_ssl_keyfile=None, zk_ssl_certificate=None, zk_ssl_ca_cert=None)
  476         self.get_children= self._response_time(self.get_children, "GET_CHILDREN")
  477         self.exists = self._response_time(self.exists, "EXISTS")
  478         self.connect()
  479     # end __init__
  480 
self = <cfgm_common.zkclient.ZookeeperClient object>
self.connect = <bound method ZookeeperClient.connect of <cfgm_common.zkclient.ZookeeperClient object>>

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in connect(self=<cfgm_common.zkclient.ZookeeperClient object>)
  497                 self._zk_client.start()
  498                 break
  499             except gevent.event.Timeout as e:
  500                 self._zk_client.close()
  501                 # Update connection info
global gevent = <module 'gevent' from '/usr/local/lib64/python3.9/site-packages/gevent/__init__.py'>
gevent.event = <module 'gevent._gevent_cevent' from '/usr/local...t/_gevent_cevent.cpython-39-x86_64-linux-gnu.so'>
gevent.event.Timeout undefined
e undefined
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'
    __cause__ = None
    __class__ = <class 'AttributeError'>
    __context__ = <timeout_exception at 0x7ff03f58a100 seconds=None exception='Connection time-out'>
    __delattr__ = <method-wrapper '__delattr__' of AttributeError object>
    __dict__ = {}
    __dir__ = <built-in method __dir__ of AttributeError object>
    __doc__ = 'Attribute not found.'
    __eq__ = <method-wrapper '__eq__' of AttributeError object>
    __format__ = <built-in method __format__ of AttributeError object>
    __ge__ = <method-wrapper '__ge__' of AttributeError object>
    __getattribute__ = <method-wrapper '__getattribute__' of AttributeError object>
    __gt__ = <method-wrapper '__gt__' of AttributeError object>
    __hash__ = <method-wrapper '__hash__' of AttributeError object>
    __init__ = <method-wrapper '__init__' of AttributeError object>
    __init_subclass__ = <built-in method __init_subclass__ of type object>
    __le__ = <method-wrapper '__le__' of AttributeError object>
    __lt__ = <method-wrapper '__lt__' of AttributeError object>
    __ne__ = <method-wrapper '__ne__' of AttributeError object>
    __new__ = <built-in method __new__ of type object>
    __reduce__ = <built-in method __reduce__ of AttributeError object>
    __reduce_ex__ = <built-in method __reduce_ex__ of AttributeError object>
    __repr__ = <method-wrapper '__repr__' of AttributeError object>
    __setattr__ = <method-wrapper '__setattr__' of AttributeError object>
    __setstate__ = <built-in method __setstate__ of AttributeError object>
    __sizeof__ = <built-in method __sizeof__ of AttributeError object>
    __str__ = <method-wrapper '__str__' of AttributeError object>
    __subclasshook__ = <built-in method __subclasshook__ of type object>
    __suppress_context__ = False
    __traceback__ = <traceback object>
    args = ("module 'gevent._gevent_cevent' has no attribute 'Timeout'",)
    with_traceback = <built-in method with_traceback of AttributeError object>

The above is a description of an error in a Python program.  Here is
the original traceback:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 497, in connect
    self._zk_client.start()
  File "/usr/local/lib/python3.9/site-packages/kazoo/client.py", line 673, in start
    raise self.handler.timeout_exception("Connection time-out")
kazoo.handlers.gevent.SequentialGeventHandler.timeout_exception

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/contrail-device-manager", line 8, in <module>
    sys.exit(server_main())
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 285, in server_main
    main()
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 273, in main
    _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 478, in __init__
    self.connect()
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 499, in connect
    except gevent.event.Timeout as e:
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'


INFO: =================== Mon Sep 14 01:53:38 AM UTC 2026 ===================
INFO: Cassandra is connected
AttributeError
Python 3.9.25: /usr/bin/python3
Mon Sep 14 01:54:02 2026

A problem occurred in a Python script.  Here is the sequence of
function calls leading up to the error, in the order they occurred.

 /usr/local/bin/contrail-device-manager in <module>
    4 import sys
    5 from device_manager.dm_server import server_main
    6 if __name__ == '__main__':
    7     sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
    8     sys.exit(server_main())
sys = <module 'sys' (built-in)>
sys.exit = <built-in function exit>
server_main = <function server_main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in server_main()
  283 def server_main():
  284     vnc_cgitb.enable(format='text')
  285     main()
  286 # end server_main
  287 
global main = <function main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in main(args_str='--conf_file /etc/contrail/contrail-device-manage...nf_file /etc/contrail/contrail-keystone-auth.conf')
  271                                                 args.zookeeper_ssl_ca_cert)
  272         else:
  273             _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  274                                                 args.zk_server_ip,
  275                                                 args.host_ip)
global _zookeeper_client = None
global ZookeeperClient = <class 'cfgm_common.zkclient.ZookeeperClient'>
client_pfx = ''
args = Namespace(conf_file=['/etc/contrail/contrail-dev...bda2fd90>, random_collectors=['10.0.0.162:8086'])
args.zk_server_ip = '10.0.0.162:2181'
args.host_ip = '10.0.0.162'

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in __init__(self=<cfgm_common.zkclient.ZookeeperClient object>, module='device-manager', server_list='10.0.0.162:2181', host_ip='10.0.0.162', logging_fn=None, zk_timeout=400, log_response_time=None, zk_ssl_enable=False, zk_ssl_keyfile=None, zk_ssl_certificate=None, zk_ssl_ca_cert=None)
  476         self.get_children= self._response_time(self.get_children, "GET_CHILDREN")
  477         self.exists = self._response_time(self.exists, "EXISTS")
  478         self.connect()
  479     # end __init__
  480 
self = <cfgm_common.zkclient.ZookeeperClient object>
self.connect = <bound method ZookeeperClient.connect of <cfgm_common.zkclient.ZookeeperClient object>>

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in connect(self=<cfgm_common.zkclient.ZookeeperClient object>)
  497                 self._zk_client.start()
  498                 break
  499             except gevent.event.Timeout as e:
  500                 self._zk_client.close()
  501                 # Update connection info
global gevent = <module 'gevent' from '/usr/local/lib64/python3.9/site-packages/gevent/__init__.py'>
gevent.event = <module 'gevent._gevent_cevent' from '/usr/local...t/_gevent_cevent.cpython-39-x86_64-linux-gnu.so'>
gevent.event.Timeout undefined
e undefined
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'
    __cause__ = None
    __class__ = <class 'AttributeError'>
    __context__ = <timeout_exception at 0x7fb9bd92a100 seconds=None exception='Connection time-out'>
    __delattr__ = <method-wrapper '__delattr__' of AttributeError object>
    __dict__ = {}
    __dir__ = <built-in method __dir__ of AttributeError object>
    __doc__ = 'Attribute not found.'
    __eq__ = <method-wrapper '__eq__' of AttributeError object>
    __format__ = <built-in method __format__ of AttributeError object>
    __ge__ = <method-wrapper '__ge__' of AttributeError object>
    __getattribute__ = <method-wrapper '__getattribute__' of AttributeError object>
    __gt__ = <method-wrapper '__gt__' of AttributeError object>
    __hash__ = <method-wrapper '__hash__' of AttributeError object>
    __init__ = <method-wrapper '__init__' of AttributeError object>
    __init_subclass__ = <built-in method __init_subclass__ of type object>
    __le__ = <method-wrapper '__le__' of AttributeError object>
    __lt__ = <method-wrapper '__lt__' of AttributeError object>
    __ne__ = <method-wrapper '__ne__' of AttributeError object>
    __new__ = <built-in method __new__ of type object>
    __reduce__ = <built-in method __reduce__ of AttributeError object>
    __reduce_ex__ = <built-in method __reduce_ex__ of AttributeError object>
    __repr__ = <method-wrapper '__repr__' of AttributeError object>
    __setattr__ = <method-wrapper '__setattr__' of AttributeError object>
    __setstate__ = <built-in method __setstate__ of AttributeError object>
    __sizeof__ = <built-in method __sizeof__ of AttributeError object>
    __str__ = <method-wrapper '__str__' of AttributeError object>
    __subclasshook__ = <built-in method __subclasshook__ of type object>
    __suppress_context__ = False
    __traceback__ = <traceback object>
    args = ("module 'gevent._gevent_cevent' has no attribute 'Timeout'",)
    with_traceback = <built-in method with_traceback of AttributeError object>

The above is a description of an error in a Python program.  Here is
the original traceback:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 497, in connect
    self._zk_client.start()
  File "/usr/local/lib/python3.9/site-packages/kazoo/client.py", line 673, in start
    raise self.handler.timeout_exception("Connection time-out")
kazoo.handlers.gevent.SequentialGeventHandler.timeout_exception

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/contrail-device-manager", line 8, in <module>
    sys.exit(server_main())
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 285, in server_main
    main()
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 273, in main
    _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 478, in __init__
    self.connect()
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 499, in connect
    except gevent.event.Timeout as e:
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'


INFO: =================== Mon Sep 14 01:56:45 AM UTC 2026 ===================
INFO: Cassandra is connected
AttributeError
Python 3.9.25: /usr/bin/python3
Mon Sep 14 01:57:10 2026

A problem occurred in a Python script.  Here is the sequence of
function calls leading up to the error, in the order they occurred.

 /usr/local/bin/contrail-device-manager in <module>
    4 import sys
    5 from device_manager.dm_server import server_main
    6 if __name__ == '__main__':
    7     sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
    8     sys.exit(server_main())
sys = <module 'sys' (built-in)>
sys.exit = <built-in function exit>
server_main = <function server_main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in server_main()
  283 def server_main():
  284     vnc_cgitb.enable(format='text')
  285     main()
  286 # end server_main
  287 
global main = <function main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in main(args_str='--conf_file /etc/contrail/contrail-device-manage...nf_file /etc/contrail/contrail-keystone-auth.conf')
  271                                                 args.zookeeper_ssl_ca_cert)
  272         else:
  273             _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  274                                                 args.zk_server_ip,
  275                                                 args.host_ip)
global _zookeeper_client = None
global ZookeeperClient = <class 'cfgm_common.zkclient.ZookeeperClient'>
client_pfx = ''
args = Namespace(conf_file=['/etc/contrail/contrail-dev...d16ed460>, random_collectors=['10.0.0.162:8086'])
args.zk_server_ip = '10.0.0.162:2181'
args.host_ip = '10.0.0.162'

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in __init__(self=<cfgm_common.zkclient.ZookeeperClient object>, module='device-manager', server_list='10.0.0.162:2181', host_ip='10.0.0.162', logging_fn=None, zk_timeout=400, log_response_time=None, zk_ssl_enable=False, zk_ssl_keyfile=None, zk_ssl_certificate=None, zk_ssl_ca_cert=None)
  476         self.get_children= self._response_time(self.get_children, "GET_CHILDREN")
  477         self.exists = self._response_time(self.exists, "EXISTS")
  478         self.connect()
  479     # end __init__
  480 
self = <cfgm_common.zkclient.ZookeeperClient object>
self.connect = <bound method ZookeeperClient.connect of <cfgm_common.zkclient.ZookeeperClient object>>

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in connect(self=<cfgm_common.zkclient.ZookeeperClient object>)
  497                 self._zk_client.start()
  498                 break
  499             except gevent.event.Timeout as e:
  500                 self._zk_client.close()
  501                 # Update connection info
global gevent = <module 'gevent' from '/usr/local/lib64/python3.9/site-packages/gevent/__init__.py'>
gevent.event = <module 'gevent._gevent_cevent' from '/usr/local...t/_gevent_cevent.cpython-39-x86_64-linux-gnu.so'>
gevent.event.Timeout undefined
e undefined
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'
    __cause__ = None
    __class__ = <class 'AttributeError'>
    __context__ = <timeout_exception at 0x7fd1d1703100 seconds=None exception='Connection time-out'>
    __delattr__ = <method-wrapper '__delattr__' of AttributeError object>
    __dict__ = {}
    __dir__ = <built-in method __dir__ of AttributeError object>
    __doc__ = 'Attribute not found.'
    __eq__ = <method-wrapper '__eq__' of AttributeError object>
    __format__ = <built-in method __format__ of AttributeError object>
    __ge__ = <method-wrapper '__ge__' of AttributeError object>
    __getattribute__ = <method-wrapper '__getattribute__' of AttributeError object>
    __gt__ = <method-wrapper '__gt__' of AttributeError object>
    __hash__ = <method-wrapper '__hash__' of AttributeError object>
    __init__ = <method-wrapper '__init__' of AttributeError object>
    __init_subclass__ = <built-in method __init_subclass__ of type object>
    __le__ = <method-wrapper '__le__' of AttributeError object>
    __lt__ = <method-wrapper '__lt__' of AttributeError object>
    __ne__ = <method-wrapper '__ne__' of AttributeError object>
    __new__ = <built-in method __new__ of type object>
    __reduce__ = <built-in method __reduce__ of AttributeError object>
    __reduce_ex__ = <built-in method __reduce_ex__ of AttributeError object>
    __repr__ = <method-wrapper '__repr__' of AttributeError object>
    __setattr__ = <method-wrapper '__setattr__' of AttributeError object>
    __setstate__ = <built-in method __setstate__ of AttributeError object>
    __sizeof__ = <built-in method __sizeof__ of AttributeError object>
    __str__ = <method-wrapper '__str__' of AttributeError object>
    __subclasshook__ = <built-in method __subclasshook__ of type object>
    __suppress_context__ = False
    __traceback__ = <traceback object>
    args = ("module 'gevent._gevent_cevent' has no attribute 'Timeout'",)
    with_traceback = <built-in method with_traceback of AttributeError object>

The above is a description of an error in a Python program.  Here is
the original traceback:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 497, in connect
    self._zk_client.start()
  File "/usr/local/lib/python3.9/site-packages/kazoo/client.py", line 673, in start
    raise self.handler.timeout_exception("Connection time-out")
kazoo.handlers.gevent.SequentialGeventHandler.timeout_exception

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/contrail-device-manager", line 8, in <module>
    sys.exit(server_main())
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 285, in server_main
    main()
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 273, in main
    _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 478, in __init__
    self.connect()
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 499, in connect
    except gevent.event.Timeout as e:
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'


INFO: =================== Mon Sep 14 02:02:21 AM UTC 2026 ===================
INFO: Cassandra is connected
AttributeError
Python 3.9.25: /usr/bin/python3
Mon Sep 14 02:02:45 2026

A problem occurred in a Python script.  Here is the sequence of
function calls leading up to the error, in the order they occurred.

 /usr/local/bin/contrail-device-manager in <module>
    4 import sys
    5 from device_manager.dm_server import server_main
    6 if __name__ == '__main__':
    7     sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
    8     sys.exit(server_main())
sys = <module 'sys' (built-in)>
sys.exit = <built-in function exit>
server_main = <function server_main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in server_main()
  283 def server_main():
  284     vnc_cgitb.enable(format='text')
  285     main()
  286 # end server_main
  287 
global main = <function main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in main(args_str='--conf_file /etc/contrail/contrail-device-manage...nf_file /etc/contrail/contrail-keystone-auth.conf')
  271                                                 args.zookeeper_ssl_ca_cert)
  272         else:
  273             _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  274                                                 args.zk_server_ip,
  275                                                 args.host_ip)
global _zookeeper_client = None
global ZookeeperClient = <class 'cfgm_common.zkclient.ZookeeperClient'>
client_pfx = ''
args = Namespace(conf_file=['/etc/contrail/contrail-dev...92b93d90>, random_collectors=['10.0.0.162:8086'])
args.zk_server_ip = '10.0.0.162:2181'
args.host_ip = '10.0.0.162'

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in __init__(self=<cfgm_common.zkclient.ZookeeperClient object>, module='device-manager', server_list='10.0.0.162:2181', host_ip='10.0.0.162', logging_fn=None, zk_timeout=400, log_response_time=None, zk_ssl_enable=False, zk_ssl_keyfile=None, zk_ssl_certificate=None, zk_ssl_ca_cert=None)
  476         self.get_children= self._response_time(self.get_children, "GET_CHILDREN")
  477         self.exists = self._response_time(self.exists, "EXISTS")
  478         self.connect()
  479     # end __init__
  480 
self = <cfgm_common.zkclient.ZookeeperClient object>
self.connect = <bound method ZookeeperClient.connect of <cfgm_common.zkclient.ZookeeperClient object>>

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in connect(self=<cfgm_common.zkclient.ZookeeperClient object>)
  497                 self._zk_client.start()
  498                 break
  499             except gevent.event.Timeout as e:
  500                 self._zk_client.close()
  501                 # Update connection info
global gevent = <module 'gevent' from '/usr/local/lib64/python3.9/site-packages/gevent/__init__.py'>
gevent.event = <module 'gevent._gevent_cevent' from '/usr/local...t/_gevent_cevent.cpython-39-x86_64-linux-gnu.so'>
gevent.event.Timeout undefined
e undefined
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'
    __cause__ = None
    __class__ = <class 'AttributeError'>
    __context__ = <timeout_exception at 0x7fef92a7f100 seconds=None exception='Connection time-out'>
    __delattr__ = <method-wrapper '__delattr__' of AttributeError object>
    __dict__ = {}
    __dir__ = <built-in method __dir__ of AttributeError object>
    __doc__ = 'Attribute not found.'
    __eq__ = <method-wrapper '__eq__' of AttributeError object>
    __format__ = <built-in method __format__ of AttributeError object>
    __ge__ = <method-wrapper '__ge__' of AttributeError object>
    __getattribute__ = <method-wrapper '__getattribute__' of AttributeError object>
    __gt__ = <method-wrapper '__gt__' of AttributeError object>
    __hash__ = <method-wrapper '__hash__' of AttributeError object>
    __init__ = <method-wrapper '__init__' of AttributeError object>
    __init_subclass__ = <built-in method __init_subclass__ of type object>
    __le__ = <method-wrapper '__le__' of AttributeError object>
    __lt__ = <method-wrapper '__lt__' of AttributeError object>
    __ne__ = <method-wrapper '__ne__' of AttributeError object>
    __new__ = <built-in method __new__ of type object>
    __reduce__ = <built-in method __reduce__ of AttributeError object>
    __reduce_ex__ = <built-in method __reduce_ex__ of AttributeError object>
    __repr__ = <method-wrapper '__repr__' of AttributeError object>
    __setattr__ = <method-wrapper '__setattr__' of AttributeError object>
    __setstate__ = <built-in method __setstate__ of AttributeError object>
    __sizeof__ = <built-in method __sizeof__ of AttributeError object>
    __str__ = <method-wrapper '__str__' of AttributeError object>
    __subclasshook__ = <built-in method __subclasshook__ of type object>
    __suppress_context__ = False
    __traceback__ = <traceback object>
    args = ("module 'gevent._gevent_cevent' has no attribute 'Timeout'",)
    with_traceback = <built-in method with_traceback of AttributeError object>

The above is a description of an error in a Python program.  Here is
the original traceback:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 497, in connect
    self._zk_client.start()
  File "/usr/local/lib/python3.9/site-packages/kazoo/client.py", line 673, in start
    raise self.handler.timeout_exception("Connection time-out")
kazoo.handlers.gevent.SequentialGeventHandler.timeout_exception

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/contrail-device-manager", line 8, in <module>
    sys.exit(server_main())
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 285, in server_main
    main()
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 273, in main
    _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 478, in __init__
    self.connect()
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 499, in connect
    except gevent.event.Timeout as e:
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'


INFO: =================== Mon Sep 14 02:07:53 AM UTC 2026 ===================
INFO: Cassandra is connected
AttributeError
Python 3.9.25: /usr/bin/python3
Mon Sep 14 02:08:18 2026

A problem occurred in a Python script.  Here is the sequence of
function calls leading up to the error, in the order they occurred.

 /usr/local/bin/contrail-device-manager in <module>
    4 import sys
    5 from device_manager.dm_server import server_main
    6 if __name__ == '__main__':
    7     sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
    8     sys.exit(server_main())
sys = <module 'sys' (built-in)>
sys.exit = <built-in function exit>
server_main = <function server_main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in server_main()
  283 def server_main():
  284     vnc_cgitb.enable(format='text')
  285     main()
  286 # end server_main
  287 
global main = <function main>

 /usr/local/lib/python3.9/site-packages/device_manager/dm_server.py in main(args_str='--conf_file /etc/contrail/contrail-device-manage...nf_file /etc/contrail/contrail-keystone-auth.conf')
  271                                                 args.zookeeper_ssl_ca_cert)
  272         else:
  273             _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  274                                                 args.zk_server_ip,
  275                                                 args.host_ip)
global _zookeeper_client = None
global ZookeeperClient = <class 'cfgm_common.zkclient.ZookeeperClient'>
client_pfx = ''
args = Namespace(conf_file=['/etc/contrail/contrail-dev...2d5cb430>, random_collectors=['10.0.0.162:8086'])
args.zk_server_ip = '10.0.0.162:2181'
args.host_ip = '10.0.0.162'

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in __init__(self=<cfgm_common.zkclient.ZookeeperClient object>, module='device-manager', server_list='10.0.0.162:2181', host_ip='10.0.0.162', logging_fn=None, zk_timeout=400, log_response_time=None, zk_ssl_enable=False, zk_ssl_keyfile=None, zk_ssl_certificate=None, zk_ssl_ca_cert=None)
  476         self.get_children= self._response_time(self.get_children, "GET_CHILDREN")
  477         self.exists = self._response_time(self.exists, "EXISTS")
  478         self.connect()
  479     # end __init__
  480 
self = <cfgm_common.zkclient.ZookeeperClient object>
self.connect = <bound method ZookeeperClient.connect of <cfgm_common.zkclient.ZookeeperClient object>>

 /usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py in connect(self=<cfgm_common.zkclient.ZookeeperClient object>)
  497                 self._zk_client.start()
  498                 break
  499             except gevent.event.Timeout as e:
  500                 self._zk_client.close()
  501                 # Update connection info
global gevent = <module 'gevent' from '/usr/local/lib64/python3.9/site-packages/gevent/__init__.py'>
gevent.event = <module 'gevent._gevent_cevent' from '/usr/local...t/_gevent_cevent.cpython-39-x86_64-linux-gnu.so'>
gevent.event.Timeout undefined
e undefined
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'
    __cause__ = None
    __class__ = <class 'AttributeError'>
    __context__ = <timeout_exception at 0x7f422d5a0100 seconds=None exception='Connection time-out'>
    __delattr__ = <method-wrapper '__delattr__' of AttributeError object>
    __dict__ = {}
    __dir__ = <built-in method __dir__ of AttributeError object>
    __doc__ = 'Attribute not found.'
    __eq__ = <method-wrapper '__eq__' of AttributeError object>
    __format__ = <built-in method __format__ of AttributeError object>
    __ge__ = <method-wrapper '__ge__' of AttributeError object>
    __getattribute__ = <method-wrapper '__getattribute__' of AttributeError object>
    __gt__ = <method-wrapper '__gt__' of AttributeError object>
    __hash__ = <method-wrapper '__hash__' of AttributeError object>
    __init__ = <method-wrapper '__init__' of AttributeError object>
    __init_subclass__ = <built-in method __init_subclass__ of type object>
    __le__ = <method-wrapper '__le__' of AttributeError object>
    __lt__ = <method-wrapper '__lt__' of AttributeError object>
    __ne__ = <method-wrapper '__ne__' of AttributeError object>
    __new__ = <built-in method __new__ of type object>
    __reduce__ = <built-in method __reduce__ of AttributeError object>
    __reduce_ex__ = <built-in method __reduce_ex__ of AttributeError object>
    __repr__ = <method-wrapper '__repr__' of AttributeError object>
    __setattr__ = <method-wrapper '__setattr__' of AttributeError object>
    __setstate__ = <built-in method __setstate__ of AttributeError object>
    __sizeof__ = <built-in method __sizeof__ of AttributeError object>
    __str__ = <method-wrapper '__str__' of AttributeError object>
    __subclasshook__ = <built-in method __subclasshook__ of type object>
    __suppress_context__ = False
    __traceback__ = <traceback object>
    args = ("module 'gevent._gevent_cevent' has no attribute 'Timeout'",)
    with_traceback = <built-in method with_traceback of AttributeError object>

The above is a description of an error in a Python program.  Here is
the original traceback:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 497, in connect
    self._zk_client.start()
  File "/usr/local/lib/python3.9/site-packages/kazoo/client.py", line 673, in start
    raise self.handler.timeout_exception("Connection time-out")
kazoo.handlers.gevent.SequentialGeventHandler.timeout_exception

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/contrail-device-manager", line 8, in <module>
    sys.exit(server_main())
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 285, in server_main
    main()
  File "/usr/local/lib/python3.9/site-packages/device_manager/dm_server.py", line 273, in main
    _zookeeper_client = ZookeeperClient(client_pfx + "device-manager",
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 478, in __init__
    self.connect()
  File "/usr/local/lib/python3.9/site-packages/cfgm_common/zkclient.py", line 499, in connect
    except gevent.event.Timeout as e:
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'