Comment 7 for bug 1862893

Hi Bence, I I execute the same command lines as you.

The command lines do not prompt errors, check your neutron-server log，and if your network has a qos policy.

this is my neutron-server.log:
2020-02-19 22:00:18.490 32226 ERROR neutron.plugins.ml2.managers Traceback (most recent call last):
2020-02-19 22:00:18.490 32226 ERROR neutron.plugins.ml2.managers File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/managers.py", line 426, in _call_on_drivers
2020-02-19 22:00:18.490 32226 ERROR neutron.plugins.ml2.managers getattr(driver.obj, method_name)(context)
2020-02-19 22:00:18.490 32226 ERROR neutron.plugins.ml2.managers File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/ovn/mech_driver/mech_driver.py", line 604, in update_port_postcommit
2020-02-19 22:00:18.490 32226 ERROR neutron.plugins.ml2.managers self._ovn_client.update_port(port, port_object=original_port)
2020-02-19 22:00:18.490 32226 ERROR neutron.plugins.ml2.managers File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py", line 674, in update_port
2020-02-19 22:00:18.490 32226 ERROR neutron.plugins.ml2.managers if_delete=True)
2020-02-19 22:00:18.490 32226 ERROR neutron.plugins.ml2.managers File "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/ovn/mech_driver/ovsdb/ovn_client.py", line 711, in _create_qos_rules
2020-02-19 22:00:18.490 32226 ERROR neutron.plugins.ml2.managers direction = 'from-lport' if qos_options['direction'] ==\
2020-02-19 22:00:18.490 32226 ERROR neutron.plugins.ml2.managers KeyError: 'direction'