Description: This is similar to bug#69758, but caused by normal "stop/start slave io_thread", and I could repeat 100% on my test servers. How to repeat: 1. Setup master with gtid. 2. Create table t1 create table t1 (id int auto_increment primary key, value int, value2 varchar(10000)) engine=innodb; 3. Run a very long transaction on master (generating hundreds of megabytes of binary logs). I used a