fail migrations when upgrading from 2.6.5 to 2.6.6

[dfwmlb]

NetBox version

2.6.5

Python version

3.6

Steps to Reproduce

upgrading via instructions:

OLD=2.6.5
NEW=2.6.6
tar -xzf netbox-"${NEW}".tar.gz -C /opt
ln -sfn /opt/netbox-"${NEW}"/ /opt/netbox
cp /opt/netbox-"${OLD}"/local_requirements.txt /opt/netbox/
cp /opt/netbox-"${OLD}"/netbox/netbox/configuration.py /opt/netbox/netbox/netbox/
cp /opt/netbox-"${OLD}"/netbox/netbox/ldap_config.py /opt/netbox/netbox/netbox/
cp -npr /opt/netbox-"${OLD}"/netbox/media/ /opt/netbox/netbox/
cp -nr /opt/netbox-"${OLD}"/netbox/scripts /opt/netbox/netbox/
cp -nr /opt/netbox-"${OLD}"/netbox/reports /opt/netbox/netbox/
cd /opt/netbox
./upgrade.sh

Expected Behavior

migrations applied successfully

Observed Behavior

Applying database migrations (python3 netbox/manage.py migrate)...
Operations to perform:
  Apply all migrations: admin, auth, circuits, contenttypes, dcim, extras, ipam, secrets, sessions, taggit, tenancy, users, virtualization
Running migrations:
  Applying dcim.0075_cable_devices...
Updatng cable device terminations...
Traceback (most recent call last):
  File "netbox/manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/usr/local/lib/python3.6/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line
    utility.execute()
  File "/usr/local/lib/python3.6/site-packages/django/core/management/__init__.py", line 375, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/usr/local/lib/python3.6/site-packages/django/core/management/base.py", line 323, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/usr/local/lib/python3.6/site-packages/django/core/management/base.py", line 364, in execute
    output = self.handle(*args, **options)
  File "/usr/local/lib/python3.6/site-packages/django/core/management/base.py", line 83, in wrapped
    res = handle_func(*args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/django/core/management/commands/migrate.py", line 234, in handle
    fake_initial=fake_initial,
  File "/usr/local/lib/python3.6/site-packages/django/db/migrations/executor.py", line 117, in migrate
    state = self._migrate_all_forwards(state, plan, full_plan, fake=fake, fake_initial=fake_initial)
  File "/usr/local/lib/python3.6/site-packages/django/db/migrations/executor.py", line 147, in _migrate_all_forwards
    state = self.apply_migration(state, migration, fake=fake, fake_initial=fake_initial)
  File "/usr/local/lib/python3.6/site-packages/django/db/migrations/executor.py", line 245, in apply_migration
    state = migration.apply(state, schema_editor)
  File "/usr/local/lib/python3.6/site-packages/django/db/migrations/migration.py", line 124, in apply
    operation.database_forwards(self.app_label, schema_editor, old_state, project_state)
  File "/usr/local/lib/python3.6/site-packages/django/db/migrations/operations/special.py", line 190, in database_forwards
    self.code(from_state.apps, schema_editor)
  File "/opt/netbox-2.6.6/netbox/dcim/migrations/0075_cable_devices.py", line 21, in cache_cable_devices
    termination_a = termination_a_model.objects.get(pk=cable.termination_a_id)
  File "/usr/local/lib/python3.6/site-packages/django/db/models/manager.py", line 82, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/cacheops/query.py", line 356, in get
    return qs._no_monkey.get(qs, *args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/django/db/models/query.py", line 408, in get
    self.model._meta.object_name
__fake__.DoesNotExist: Interface matching query does not exist.
Removing stale content types (python3 netbox/manage.py remove_stale_contenttypes --no-input)...
Collecting static files (python3 netbox/manage.py collectstatic --no-input)...

0 static files copied to '/opt/netbox-2.6.6/netbox/static', 344 unmodified.

did i miss some migrations or something similar?
earlier migrations has applied successfully:
2.5.5->2.5.6->2.5.7->2.5.8->2.5.9->2.5.10->2.5.11->2.5.12->2.5.13->2.6.0->2.6.1->2.6.2->2.6.3->2.6.4->2.6.5