Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
____________________ test_register_with_activation_keys[1] _____________________

external_candlepin = <pytest_client_tools.candlepin.Candlepin object at 0x7f48cf6a52b0>
subman = <pytest_client_tools.subscription_manager.SubscriptionManager object at 0x7f48cf5ca780>
test_config = <pytest_client_tools.test_config.TestConfig object at 0x7f48cf6a5280>
num_of_act_keys_to_use = 1

    @pytest.mark.parametrize("num_of_act_keys_to_use", [1, 2])
    def test_register_with_activation_keys(external_candlepin, subman, test_config, num_of_act_keys_to_use):
        """
        https://www.candlepinproject.org/docs/subscription-manager/dbus_objects.html#methods-6
        """
        assert not subman.is_registered
    
        candlepin_config = partial(test_config.get, "candlepin")
        act_keynames = take(num_of_act_keys_to_use, candlepin_config("activation_keys"))
    
        proxy = RHSM.get_proxy(
            object_path=RHSM_REGISTER_SERVER.object_path, interface_name=RHSM_REGISTER_SERVER.interface_name
        )
>       with RHSMPrivateBus(proxy) as private_bus:

integration-tests/test_register_with_activation_keys.py:32: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
integration-tests/conftest.py:29: in __enter__
    self._private_bus_address = self._rhsm_register_server_proxy.Start(locale)
venv/lib64/python3.12/site-packages/dasbus/client/proxy.py:161: in __getattr__
    member = self._get_member(self._get_interface(name), name)
venv/lib64/python3.12/site-packages/dasbus/client/proxy.py:126: in _get_member
    return self._create_member(*key)
venv/lib64/python3.12/site-packages/dasbus/client/proxy.py:147: in _create_member
    member = self._handler.create_member(*key)
venv/lib64/python3.12/site-packages/dasbus/client/handler.py:231: in create_member
    spec = self._find_member_spec(interface_name, member_name)
venv/lib64/python3.12/site-packages/dasbus/client/handler.py:242: in _find_member_spec
    return self.specification.get_member(
venv/lib64/python3.12/site-packages/dasbus/client/handler.py:212: in specification
    self._specification = self._get_specification()
venv/lib64/python3.12/site-packages/dasbus/client/handler.py:332: in _get_specification
    xml = self._call_method(
venv/lib64/python3.12/site-packages/dasbus/client/handler.py:450: in _call_method
    return self._get_method_reply(
venv/lib64/python3.12/site-packages/dasbus/client/handler.py:483: in _get_method_reply
    return self._handle_method_error(error)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <dasbus.client.handler.ClientObjectHandler object at 0x7f48cf5d1180>
error = GLib.Error('GDBus.Error:org.freedesktop.DBus.Python.SystemError: AssertionError: D-Bus connection does not have a Conn...hod 'get_member' of 'dbus.lowlevel.Message' objects> returned a result with an exception set
', 'g-io-error-quark', 36)

    def _handle_method_error(self, error):
        """Handle an error of a DBus call.
    
        If the call returned a DBus error, it will be mapped
        to a Python exception based on the rules defined in
        the available error mapper. It should be a subclass
        of DBusError.
    
        :param error: an exception raised during the call
        :raise Exception: if the call unexpectedly failed
        :raise TimeoutError: if the DBus call timed out
        :raise DBusError: if the call returned a DBus error
        """
        if self._client.is_remote_error(error):
            # Handle a remote DBus error.
            name = self._client.get_remote_error_name(error)
            cls = self._error_mapper.get_exception_type(name)
            message = self._client.get_remote_error_message(error)
    
            # Create a new exception.
            exception = cls(message)
            exception.dbus_name = name
    
            # Raise a new instance of the exception class.
>           raise exception from None
E           dasbus.error.DBusError: AssertionError: D-Bus connection does not have a Connection instance associated with it
E           
E           The above exception was the direct cause of the following exception:
E           
E           SystemError: <function Connection._signal_func at 0x7f8852e242c0> returned a result with an exception set
E           
E           The above exception was the direct cause of the following exception:
E           
E           Traceback (most recent call last):
E             File "/usr/lib64/python3.12/site-packages/dbus/service.py", line 657, in _message_cb
E               method_name = message.get_member()
E                             ^^^^^^^^^^^^^^^^^^^^
E           SystemError: <method 'get_member' of 'dbus.lowlevel.Message' objects> returned a result with an exception set

venv/lib64/python3.12/site-packages/dasbus/client/handler.py:509: DBusError
------------------------------ Captured log setup ------------------------------
DEBUG    pytest_client_tools:util.py:135 running ['config', '--logging.default_log_level=DEBUG'] with options {'check': True, 'stdout': -1, 'stderr': -1, 'text': True}
DEBUG    pytest_client_tools:util.py:148 result: CompletedProcess(args=['config', '--logging.default_log_level=DEBUG'], returncode=0, stdout='', stderr='')
DEBUG    pytest_client_tools:util.py:135 running ['config', '--server.hostname=localhost', '--server.port=8443', '--server.prefix=/candlepin', '--server.insecure=1'] with options {'check': True, 'stdout': -1, 'stderr': -1, 'text': True}
DEBUG    pytest_client_tools:util.py:148 result: CompletedProcess(args=['config', '--server.hostname=localhost', '--server.port=8443', '--server.prefix=/candlepin', '--server.insecure=1'], returncode=0, stdout='', stderr='')
------------------------------ Captured log call -------------------------------
DEBUG    pytest_client_tools:util.py:135 running ['identity'] with options {'check': False, 'stdout': -1, 'stderr': -1, 'text': True}
DEBUG    pytest_client_tools:util.py:148 result: CompletedProcess(args=['identity'], returncode=1, stdout='', stderr="This system is not yet registered. Try 'subscription-manager register --help' for more information.\n")
DEBUG    conftest:conftest.py:27 subscription: starting RHSM private DBus session
---------------------------- Captured log teardown -----------------------------
DEBUG    pytest_client_tools:util.py:135 running ['unregister'] with options {'check': True, 'stdout': -1, 'stderr': -1, 'text': True}
DEBUG    pytest_client_tools:util.py:148 result: CompletedProcess(args=['unregister'], returncode=1, stdout='', stderr='This system is currently not registered.\n')
DEBUG    pytest_client_tools:util.py:135 running (['systemctl', 'stop', 'rhsmcertd.service'],) with options {'check': True, 'stdout': -1, 'stderr': -1, 'text': True}
DEBUG    pytest_client_tools:util.py:148 result: CompletedProcess(args=['systemctl', 'stop', 'rhsmcertd.service'], returncode=0, stdout='', stderr='')
DEBUG    pytest_client_tools:util.py:135 running (['pkill', '-e', '-x', 'rhsmcertd'],) with options {'stdout': -1, 'stderr': -1, 'text': True}
DEBUG    pytest_client_tools:util.py:148 result: CompletedProcess(args=['pkill', '-e', '-x', 'rhsmcertd'], returncode=1, stdout='', stderr='')


Answer: an error from DBus service