I got the same error as above.

I created a DNS zone, a Neutron network with a subnet and update the subnet with the DNS create previously.

The zone is ACTIVE but when I try to create an instance (so a Neutron port) I got this error in the log.

==> /var/lib/docker/volumes/kolla_logs/_data/designate/designate-central.log <==
2018-11-22 22:35:17.621 21 ERROR oslo_db.sqlalchemy.exc_filters [req-16681927-0d74-4f0d-b60a-d72f0ed2f268 - - - - -] DB exception wrapped.: ValueError: badly formed hexadecimal UUID string
2018-11-22 22:35:17.621 21 ERROR oslo_db.sqlalchemy.exc_filters Traceback (most recent call last):
2018-11-22 22:35:17.621 21 ERROR oslo_db.sqlalchemy.exc_filters   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1127, in _execute_context
2018-11-22 22:35:17.621 21 ERROR oslo_db.sqlalchemy.exc_filters     context = constructor(dialect, self, conn, *args)
2018-11-22 22:35:17.621 21 ERROR oslo_db.sqlalchemy.exc_filters   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/sqlalchemy/engine/default.py", line 695, in _init_compiled
2018-11-22 22:35:17.621 21 ERROR oslo_db.sqlalchemy.exc_filters     for key in compiled_params
2018-11-22 22:35:17.621 21 ERROR oslo_db.sqlalchemy.exc_filters   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/sqlalchemy/engine/default.py", line 695, in <genexpr>
2018-11-22 22:35:17.621 21 ERROR oslo_db.sqlalchemy.exc_filters     for key in compiled_params
2018-11-22 22:35:17.621 21 ERROR oslo_db.sqlalchemy.exc_filters   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/sqlalchemy/sql/type_api.py", line 1182, in process
2018-11-22 22:35:17.621 21 ERROR oslo_db.sqlalchemy.exc_filters     return process_param(value, dialect)
2018-11-22 22:35:17.621 21 ERROR oslo_db.sqlalchemy.exc_filters   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/designate/sqlalchemy/types.py", line 45, in process_bind_param
2018-11-22 22:35:17.621 21 ERROR oslo_db.sqlalchemy.exc_filters     return "%.32x" % uuid.UUID(value).int
2018-11-22 22:35:17.621 21 ERROR oslo_db.sqlalchemy.exc_filters   File "/usr/lib/python2.7/uuid.py", line 136, in __init__
2018-11-22 22:35:17.621 21 ERROR oslo_db.sqlalchemy.exc_filters     raise ValueError('badly formed hexadecimal UUID string')
2018-11-22 22:35:17.621 21 ERROR oslo_db.sqlalchemy.exc_filters ValueError: badly formed hexadecimal UUID string
2018-11-22 22:35:17.621 21 ERROR oslo_db.sqlalchemy.exc_filters 
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server [req-16681927-0d74-4f0d-b60a-d72f0ed2f268 - - - - -] Exception during message handling: DBError: (exceptions.ValueError) badly formed hexadecimal UUID string [SQL: u'SELECT zones.id, zones.version, zones.created_at, zones.updated_at, zones.deleted, zones.deleted_at, zones.shard, zones.tenant_id, zones.name, zones.email, zones.description, zones.type, zones.transferred_at, zones.ttl, zones.serial, zones.refresh, zones.retry, zones.expire, zones.minimum, zones.status, zones.parent_zone_id, zones.action, zones.pool_id, zones.reverse_name, zones.delayed_notify \nFROM zones \nWHERE zones.id = %(id_1)s AND zones.deleted = %(deleted_1)s \n LIMIT %(param_1)s'] [parameters: [{}]]
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server Traceback (most recent call last):
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", line 166, in _process_incoming
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     res = self.dispatcher.dispatch(message)
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/designate/rpc.py", line 167, in dispatch
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     return super(RPCDispatcher, self).dispatch(*args, **kwds)
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 265, in dispatch
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     return self._do_dispatch(endpoint, method, ctxt, args)
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 194, in _do_dispatch
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     result = func(ctxt, **new_args)
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/designate/central/service.py", line 955, in get_zone
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     zone = self.storage.get_zone(context, zone_id)
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/designate/storage/impl_sqlalchemy/__init__.py", line 289, in get_zone
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     zone = self._find_zones(context, {'id': zone_id}, one=True)
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/designate/storage/impl_sqlalchemy/__init__.py", line 234, in _find_zones
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     sort_key, sort_dir)
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/designate/sqlalchemy/base.py", line 243, in _find
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     resultproxy = self.session.execute(query.limit(2))
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/sqlalchemy/orm/session.py", line 1176, in execute
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     bind, close_with_result=True).execute(clause, params or {})
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 948, in execute
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     return meth(self, multiparams, params)
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/sqlalchemy/sql/elements.py", line 269, in _execute_on_connection
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     return connection._execute_clauseelement(self, multiparams, params)
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1060, in _execute_clauseelement
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     compiled_sql, distilled_params
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1132, in _execute_context
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     None, None)
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1409, in _handle_dbapi_exception
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     util.raise_from_cause(newraise, exc_info)
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/sqlalchemy/util/compat.py", line 265, in raise_from_cause
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     reraise(type(exception), exception, tb=exc_tb, cause=cause)
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py", line 1127, in _execute_context
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     context = constructor(dialect, self, conn, *args)
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/sqlalchemy/engine/default.py", line 695, in _init_compiled
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     for key in compiled_params
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/sqlalchemy/engine/default.py", line 695, in <genexpr>
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     for key in compiled_params
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/sqlalchemy/sql/type_api.py", line 1182, in process
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     return process_param(value, dialect)
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/var/lib/kolla/venv/local/lib/python2.7/site-packages/designate/sqlalchemy/types.py", line 45, in process_bind_param
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     return "%.32x" % uuid.UUID(value).int
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server   File "/usr/lib/python2.7/uuid.py", line 136, in __init__
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server     raise ValueError('badly formed hexadecimal UUID string')
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server DBError: (exceptions.ValueError) badly formed hexadecimal UUID string [SQL: u'SELECT zones.id, zones.version, zones.created_at, zones.updated_at, zones.deleted, zones.deleted_at, zones.shard, zones.tenant_id, zones.name, zones.email, zones.description, zones.type, zones.transferred_at, zones.ttl, zones.serial, zones.refresh, zones.retry, zones.expire, zones.minimum, zones.status, zones.parent_zone_id, zones.action, zones.pool_id, zones.reverse_name, zones.delayed_notify \nFROM zones \nWHERE zones.id = %(id_1)s AND zones.deleted = %(deleted_1)s \n LIMIT %(param_1)s'] [parameters: [{}]]
2018-11-22 22:35:17.623 21 ERROR oslo_messaging.rpc.server