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[Igor Gnatenko <1894077@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

We are trying to upgrade our OpenStack from Train (based on CentOS 7) to
the Ussuri (based on CentOS 8) and during `neutron-db-manage upgrade
--expand` I see it failing with a following traceback. I've tried
googling this, but only thing I found was "wrong usage of PyMySQL" which
sounds like a bug somewhere in OpenStack.

python3-PyMySQL-0.9.3-2.el8.rdo.1.noarch
python3-alembic-1.3.1-1.el8.noarch
python3-sqlalchemy-1.3.2-1.module_el8.1.0+245+c39af44f.x86_64
python3-neutron-16.0.0-1.el8+gdc.noarch

Traceback: http://paste.openstack.org/show/797412/

We run MariaDB 10.3.17 with ProxySQL + Galera cluster.

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1894077

Title:
  Upgrading from train(el7) to ussuri(el8): Packet sequence number wrong
  - got 2 expected 1

Status in neutron:
  New

Bug description:
  We are trying to upgrade our OpenStack from Train (based on CentOS 7)
  to the Ussuri (based on CentOS 8) and during `neutron-db-manage
  upgrade --expand` I see it failing with a following traceback. I've
  tried googling this, but only thing I found was "wrong usage of
  PyMySQL" which sounds like a bug somewhere in OpenStack.

  python3-PyMySQL-0.9.3-2.el8.rdo.1.noarch
  python3-alembic-1.3.1-1.el8.noarch
  python3-sqlalchemy-1.3.2-1.module_el8.1.0+245+c39af44f.x86_64
  python3-neutron-16.0.0-1.el8+gdc.noarch

  Traceback: http://paste.openstack.org/show/797412/

  We run MariaDB 10.3.17 with ProxySQL + Galera cluster.

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