If the system is set to use MyISAM engine as default, during upgrade
a new conductor_hardware_interfaces table will be created with MyISAM
engine. This will cause a mix of InnoDB and MyISAM tables in single
database, and obsolete a foreign key to conductors table.
This bug in particular fails test_models_sync unit test, when it is
executed on a system, where MyISAM is set as default option for local
MySQL server.
Change-Id: Ic47426b1a12eda5728e9971a27ad3767c0245d50
Closes-Bug: 1702158
1a0c7091a6