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[Bug 1920001] Re: Creation of floating ip with new rbac policies fails

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: OpenStack Infra <1920001@xxxxxxxxxxxxxxxxxx>
Date: Fri, 23 Apr 2021 10:10:53 -0000
Reply-to: Bug 1920001 <1920001@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Reviewed:  https://review.opendev.org/c/openstack/neutron-lib/+/781625
Committed: https://opendev.org/openstack/neutron-lib/commit/ff96659ef0e5cbbad9812a79896cf9c22b984e77
Submitter: "Zuul (22348)"
Branch:    master

commit ff96659ef0e5cbbad9812a79896cf9c22b984e77
Author: Slawek Kaplonski <skaplons@xxxxxxxxxx>
Date:   Fri Mar 19 12:02:35 2021 +0100

    Set system_scope='all' in elevated context
    
    In case when enforce_new_defaults is set to True and new policy rules
    are used, context.is_admin flag isn't really working as it was with old
    rules.
    But in case when elevated context is needed, it means that we need
    context which has full rights to the system. So we should also set
    "system_scope" parameter to "all" to be sure that system scope queries
    can be done with such elevated context always.
    
    It is needed e.g. when elevated context is used to get some data from
    db. In such case we need to have db query which will not be scoped to
    the single project_id and with new defaults to achieve that system_scope
    has to be set to "all".
    
    Closes-Bug: #1920001
    Change-Id: I9bbf9ebe4252b2aa4b2a185bdc040ac8bf9753c7


** Changed in: neutron
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1920001

Title:
  Creation of floating ip with new rbac policies fails

Status in neutron:
  Fix Released

Bug description:
  When new api policies are used by setting:

  [oslo_policy]
  enforce_new_defaults = true
  enforce_scope = true

  Creation of new floating IP fails with error 500 returned. Neutron's
  server stack trace:

  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource [None req-4a6ada86-c9ec-47c1-9cf8-6a04971419ea demo demo] create failed: No details.: neutron_lib.callbacks.exceptions.CallbackFailure: Callback neutron.services.qos.qos_plugin.QoSPlugin._validate_create_port_callback-21625 failed with "'NoneType' object has no attribute 'qos_policy_id'"
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource Traceback (most recent call last):
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/opt/stack/neutron/neutron/api/v2/resource.py", line 98, in resource
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     result = method(request=request, **args)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/opt/stack/neutron/neutron/api/v2/base.py", line 437, in create
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return self._create(request, body, **kwargs)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/db/api.py", line 139, in wrapped
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     setattr(e, '_RETRY_EXCEEDED', True)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 227, in __exit__
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     self.force_reraise()
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 200, in force_reraise
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     raise self.value
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/db/api.py", line 135, in wrapped
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return f(*args, **kwargs)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_db/api.py", line 154, in wrapper
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     ectxt.value = e.inner_exc
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 227, in __exit__
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     self.force_reraise()
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 200, in force_reraise
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     raise self.value
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_db/api.py", line 142, in wrapper
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return f(*args, **kwargs)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/db/api.py", line 183, in wrapped
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     LOG.debug("Retry wrapper got retriable exception: %s", e)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 227, in __exit__
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     self.force_reraise()
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 200, in force_reraise
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     raise self.value
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/db/api.py", line 179, in wrapped
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return f(*dup_args, **dup_kwargs)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/opt/stack/neutron/neutron/api/v2/base.py", line 561, in _create
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     obj = do_create(body)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/opt/stack/neutron/neutron/api/v2/base.py", line 542, in do_create
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     quota.QUOTAS.cancel_reservation(
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 227, in __exit__
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     self.force_reraise()
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 200, in force_reraise
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     raise self.value
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/opt/stack/neutron/neutron/api/v2/base.py", line 536, in do_create
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return obj_creator(request.context, **kwargs)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/opt/stack/neutron/neutron/services/l3_router/l3_router_plugin.py", line 186, in create_floatingip
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return super(L3RouterPlugin, self).create_floatingip(
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/db/api.py", line 217, in wrapped
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return method(*args, **kwargs)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/db/api.py", line 139, in wrapped
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     setattr(e, '_RETRY_EXCEEDED', True)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 227, in __exit__
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     self.force_reraise()
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 200, in force_reraise
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     raise self.value
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/db/api.py", line 135, in wrapped
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return f(*args, **kwargs)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_db/api.py", line 154, in wrapper
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     ectxt.value = e.inner_exc
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 227, in __exit__
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     self.force_reraise()
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 200, in force_reraise
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     raise self.value
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_db/api.py", line 142, in wrapper
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return f(*args, **kwargs)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/db/api.py", line 183, in wrapped
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     LOG.debug("Retry wrapper got retriable exception: %s", e)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 227, in __exit__
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     self.force_reraise()
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 200, in force_reraise
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     raise self.value
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/db/api.py", line 179, in wrapped
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return f(*dup_args, **dup_kwargs)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/opt/stack/neutron/neutron/db/l3_dvr_db.py", line 1250, in create_floatingip
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     floating_ip = self._create_floatingip(
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/opt/stack/neutron/neutron/db/l3_db.py", line 1342, in _create_floatingip
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     external_port = plugin_utils.create_port(
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/plugins/utils.py", line 337, in create_port
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return core_plugin.create_port(
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/opt/stack/neutron/neutron/common/utils.py", line 687, in inner
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return f(self, context, *args, **kwargs)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/db/api.py", line 217, in wrapped
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return method(*args, **kwargs)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/db/api.py", line 139, in wrapped
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     setattr(e, '_RETRY_EXCEEDED', True)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 227, in __exit__
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     self.force_reraise()
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 200, in force_reraise
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     raise self.value
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/db/api.py", line 135, in wrapped
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return f(*args, **kwargs)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_db/api.py", line 154, in wrapper
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     ectxt.value = e.inner_exc
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 227, in __exit__
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     self.force_reraise()
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 200, in force_reraise
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     raise self.value
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_db/api.py", line 142, in wrapper
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return f(*args, **kwargs)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/db/api.py", line 183, in wrapped
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     LOG.debug("Retry wrapper got retriable exception: %s", e)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 227, in __exit__
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     self.force_reraise()
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 200, in force_reraise
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     raise self.value
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/db/api.py", line 179, in wrapped
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return f(*dup_args, **dup_kwargs)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/opt/stack/neutron/neutron/plugins/ml2/plugin.py", line 1445, in create_port
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     result, mech_context = self._create_port_db(context, port)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/opt/stack/neutron/neutron/plugins/ml2/plugin.py", line 1433, in _create_port_db
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     registry.notify(
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/callbacks/registry.py", line 56, in notify
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     _get_callback_manager().notify(resource, event, trigger, **kwargs)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/db/utils.py", line 110, in _wrapped
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     raise db_exc.RetryRequest(e)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 227, in __exit__
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     self.force_reraise()
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/oslo_utils/excutils.py", line 200, in force_reraise
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     raise self.value
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/db/utils.py", line 105, in _wrapped
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     return function(*args, **kwargs)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource   File "/usr/local/lib/python3.8/dist-packages/neutron_lib/callbacks/manager.py", line 177, in notify
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource     raise exceptions.CallbackFailure(errors=errors)
  Mar 18 10:47:52 devstack-ubuntu-ovs neutron-server[117296]: ERROR neutron.api.v2.resource neutron_lib.callbacks.exceptions.CallbackFailure: Callback neutron.services.qos.qos_plugin.QoSPlugin._validate_create_port_callback-21625 failed with "'NoneType' object has no attribute 'qos_policy_id'"

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References

[Bug 1920001] [NEW] Creation of floating ip with new rbac policies fails
From: Slawek Kaplonski, 2021-03-18