INFO: =================== Mon Sep 14 02:07:53 AM UTC 2026 ===================
INFO: Cassandra is connected
/usr/local/lib/python3.9/site-packages/vnc_cfg_api_server/vnc_addr_mgmt.py:287: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  if ip_alloc_unit is not 1:
/usr/local/lib/python3.9/site-packages/vnc_cfg_api_server/vnc_addr_mgmt.py:1113: SyntaxWarning: "is" with a literal. Did you mean "=="?
  if len(ipam_subnets) is 0:
/usr/local/lib/python3.9/site-packages/vnc_cfg_api_server/vnc_addr_mgmt.py:1910: SyntaxWarning: "is" with a literal. Did you mean "=="?
  if len(ipam_subnets) is 0:
09/14/2026 02:08:03.557 7f0b81f70ec0 [contrail-api] [INFO]: SANDESH: CONNECT TO COLLECTOR: True
09/14/2026 02:08:03.707 7f0b81f70ec0 [contrail-api] [INFO]: SANDESH: INTROSPECT IS ON: 0.0.0.0:8084
09/14/2026 02:08:03.721 7f0b81f70ec0 [contrail-api] [INFO]: SANDESH: Logging: LEVEL: [SYS_INFO] -> [SYS_NOTICE]
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-api in <module>
    4 import sys
    5 from vnc_cfg_api_server.api_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/vnc_cfg_api_server/api_server.py in server_main(args_str=None)
 5373     vnc_cgitb.enable(format='text')
 5374 
 5375     main(args_str, VncApiServer(args_str))
 5376 #server_main
 5377 
global main = <function main>
args_str = None
global VncApiServer = <class 'vnc_cfg_api_server.api_server.VncApiServer'>

 /usr/local/lib/python3.9/site-packages/vnc_cfg_api_server/api_server.py in __init__(self=<vnc_cfg_api_server.api_server.VncApiServer object>, args_str='--conf_file /etc/contrail/contrail-api-0.conf --...ontrail/contrail-keystone-auth.conf --worker_id 0')
 2215             self._db_connect(True)
 2216         else:
 2217             self._db_connect(self._args.reset_config)
 2218             self._db_init_entries()
 2219 
self = <vnc_cfg_api_server.api_server.VncApiServer object>
self._db_connect = <bound method VncApiServer._db_connect of <vnc_cfg_api_server.api_server.VncApiServer object>>
self._args = Namespace(conf_file=['/etc/contrail/contrail-api...esh_base.SandeshConfig object at 0x7f0b7e9f6160>)
self._args.reset_config = False

 /usr/local/lib/python3.9/site-packages/vnc_cfg_api_server/api_server.py in _db_connect(self=<vnc_cfg_api_server.api_server.VncApiServer object>, reset_config=False)
 3539             db_server_list = cass_server_list
 3540 
 3541         self._db_conn = VncDbClient(
 3542             self, db_server_list, rabbit_servers, rabbit_port, rabbit_user,
 3543             rabbit_password, rabbit_vhost, rabbit_ha_mode, self._args.listen_ip_addr,
self = <vnc_cfg_api_server.api_server.VncApiServer object>
self._db_conn = None
global VncDbClient = <class 'vnc_cfg_api_server.vnc_db.VncDbClient'>
db_server_list = ['10.0.0.162:9041']
rabbit_servers = '10.0.0.162:5673'
rabbit_port = '5672'
rabbit_user = 'guest'
rabbit_password = '***'
rabbit_vhost = '/'
rabbit_ha_mode = False
self._args = Namespace(conf_file=['/etc/contrail/contrail-api...esh_base.SandeshConfig object at 0x7f0b7e9f6160>)
self._args.listen_ip_addr = '10.0.0.162'
reset_config = False
zk_server = '10.0.0.162:2181'
self._args.cluster_id = ''
db_credential undefined
cred = None
db_engine = 'cassandra'
rabbit_use_ssl undefined
self._args.rabbit_use_ssl = 'False'
kombu_ssl_version undefined
self._args.kombu_ssl_version = ''
kombu_ssl_keyfile undefined
self._args.kombu_ssl_keyfile = ''
kombu_ssl_certfile undefined
self._args.kombu_ssl_certfile = ''
kombu_ssl_ca_certs undefined
self._args.kombu_ssl_ca_certs = ''
obj_cache_entries = 10000
obj_cache_exclude_types = ['']
debug_obj_cache_types = ['']
filter_optimization_enabled = False
cassandra_use_ssl = False
self._args.cassandra_use_ssl = False
cassandra_ca_certs = '/etc/contrail/ssl/certs/ca-cert.pem'
self._args.cassandra_ca_certs = '/etc/contrail/ssl/certs/ca-cert.pem'
cassandra_driver undefined
self._args.cassandra_driver = 'cql'
zk_ssl_enable undefined
self._args.zookeeper_ssl_enable = False
zk_ssl_keyfile undefined
self._args.zookeeper_ssl_keyfile = None
zk_ssl_certificate undefined
self._args.zookeeper_ssl_certificate = None
zk_ssl_ca_cert undefined
self._args.zookeeper_ssl_ca_cert = None

 /usr/local/lib/python3.9/site-packages/vnc_cfg_api_server/vnc_db.py in __init__(self=<vnc_cfg_api_server.vnc_db.VncDbClient object>, api_svr_mgr=<vnc_cfg_api_server.api_server.VncApiServer object>, db_srv_list=['10.0.0.162:9041'], rabbit_servers='10.0.0.162:5673', rabbit_port='5672', rabbit_user='guest', rabbit_password='***', rabbit_vhost='/', rabbit_ha_mode=False, host_ip='10.0.0.162', reset_config=False, zk_servers='10.0.0.162:2181', db_prefix='', db_credential=None, obj_cache_entries=10000, obj_cache_exclude_types=[''], debug_obj_cache_types=[''], db_engine='cassandra', cassandra_use_ssl=False, cassandra_ca_certs='/etc/contrail/ssl/certs/ca-cert.pem', cassandra_driver='cql', zk_ssl_enable=False, zk_ssl_keyfile=None, zk_ssl_certificate=None, zk_ssl_ca_cert=None, filter_optimization_enabled=False, **kwargs={'kombu_ssl_ca_certs': '', 'kombu_ssl_certfile': '', 'kombu_ssl_keyfile': '', 'kombu_ssl_version': '', 'rabbit_use_ssl': 'False'})
 1226 
 1227         if db_engine == 'cassandra':
 1228             self._zk_db = VncZkClient(api_svr_mgr.get_worker_id(),
 1229                                       zk_servers, host_ip,
 1230                                       reset_config, db_prefix, self.config_log,
self = <vnc_cfg_api_server.vnc_db.VncDbClient object>
self._zk_db undefined
global VncZkClient = <class 'vnc_cfg_api_server.vnc_db.VncZkClient'>
api_svr_mgr = <vnc_cfg_api_server.api_server.VncApiServer object>
api_svr_mgr.get_worker_id = <bound method VncApiServer.get_worker_id of <vnc_cfg_api_server.api_server.VncApiServer object>>
zk_servers = '10.0.0.162:2181'
host_ip = '10.0.0.162'
reset_config = False
db_prefix = ''
self.config_log = <bound method VncDbClient.config_log of <vnc_cfg_api_server.vnc_db.VncDbClient object>>
log_response_time undefined
self.log_zk_response_time = functools.partial(<bound method VncDbClient.log_..._db.VncDbClient object at 0x7f0b7dc7bbb0>>, 'ZK')
zk_ssl_enable = False
zk_ssl_keyfile = None
zk_ssl_certificate = None
zk_ssl_ca_cert = None

 /usr/local/lib/python3.9/site-packages/vnc_cfg_api_server/vnc_db.py in __init__(self=<vnc_cfg_api_server.vnc_db.VncZkClient object>, instance_id=0, zk_server_ip='10.0.0.162:2181', host_ip='10.0.0.162', reset_config=False, db_prefix='', sandesh_hdl=<bound method VncDbClient.config_log of <vnc_cfg_api_server.vnc_db.VncDbClient object>>, log_response_time=functools.partial(<bound method VncDbClient.log_..._db.VncDbClient object at 0x7f0b7dc7bbb0>>, 'ZK'), zk_ssl_enable=False, zk_ssl_keyfile=None, zk_ssl_certificate=None, zk_ssl_ca_cert=None)
  522                 self._zk_client.set_lost_cb(self.reconnect_zk)
  523                 break
  524             except gevent.event.Timeout as e:
  525                 self._sandesh._logger.warn(
  526                     f"Timeout occurred while trying to connect to Zookeeper for client {client_name}: {str(e)}"
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__ = AttributeError("module 'gevent._gevent_cevent' has no attribute 'Timeout'")
    __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/lib/python3.9/site-packages/vnc_cfg_api_server/vnc_db.py", line 514, in __init__
    self._zk_client = ZookeeperClient(client_name, zk_server_ip,
  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'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/bin/contrail-api", line 8, in <module>
    sys.exit(server_main())
  File "/usr/local/lib/python3.9/site-packages/vnc_cfg_api_server/api_server.py", line 5375, in server_main
    main(args_str, VncApiServer(args_str))
  File "/usr/local/lib/python3.9/site-packages/vnc_cfg_api_server/api_server.py", line 2217, in __init__
    self._db_connect(self._args.reset_config)
  File "/usr/local/lib/python3.9/site-packages/vnc_cfg_api_server/api_server.py", line 3541, in _db_connect
    self._db_conn = VncDbClient(
  File "/usr/local/lib/python3.9/site-packages/vnc_cfg_api_server/vnc_db.py", line 1228, in __init__
    self._zk_db = VncZkClient(api_svr_mgr.get_worker_id(),
  File "/usr/local/lib/python3.9/site-packages/vnc_cfg_api_server/vnc_db.py", line 524, in __init__
    except gevent.event.Timeout as e:
AttributeError: module 'gevent._gevent_cevent' has no attribute 'Timeout'