Comment 4 for bug 1595269

I have met the same issue, with the log in o-api:

2016-06-23 03:35:16.658 31148 DEBUG oslo_db.sqlalchemy.engines [req-24afe2a3-f94d-4c7c-88e3-0ef9ed1a0244 - - - - -] MySQL server mode set to STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION _check_effective_sql_mode /usr/lib/python2.7/site-packages/oslo_db/sqlalchemy/engines.py:256
2016-06-23 03:35:16.734 31148 INFO octavia.api.v1.controllers.load_balancer [req-24afe2a3-f94d-4c7c-88e3-0ef9ed1a0244 - - - - -] Load Balancer 55912c67-6a33-42d5-b1b3-407a3e6b3e43 is immutable.
2016-06-23 03:35:16.749 31148 DEBUG wsme.api [req-24afe2a3-f94d-4c7c-88e3-0ef9ed1a0244 - - - - -] Client-side error: Load Balancer 55912c67-6a33-42d5-b1b3-407a3e6b3e43 is immutable and cannot be updated. format_exception /usr/lib/python2.7/site-packages/wsme/api.py:221
127.0.0.1 - - [23/Jun/2016 03:35:16] "DELETE /v1/loadbalancers/55912c67-6a33-42d5-b1b3-407a3e6b3e43 HTTP/1.1" 409 147
127.0.0.1 - - [23/Jun/2016 03:35:16] "GET /v1/loadbalancers/55912c67-6a33-42d5-b1b3-407a3e6b3e43 HTTP/1.1" 200 429