SET GLOBAL binlog_error_action= IGNORE_ERROR;
# Adding debug point 'error_unique_log_filename' to @@GLOBAL.debug
FLUSH LOGS;
ERROR HY000: Can't generate a unique log-filename binlog.(1-999)

# restart
SET GLOBAL binlog_error_action= IGNORE_ERROR;
# Adding debug point 'error_unique_log_filename' to @@GLOBAL.debug
RESET MASTER;
ERROR HY000: Can't generate a unique log-filename binlog.(1-999)

# Removing debug point 'error_unique_log_filename' from @@GLOBAL.debug
RESET MASTER;
ERROR HY000: Target log not found in binlog index
SET GLOBAL binlog_error_action= ABORT_SERVER;
FLUSH LOGS;