The verbosity of the MySQL server in writing error, warning, and note messages to the error log.

If you don't want to see the 

[Note] Aborted connection 7757 to db: 'goyun' user: 'info' host: '192.168.1.100' (Got an error reading communication packets)

Change your log error verbosity:

mysql> select @@log_error_verbosity;

+-----------------------+

| @@log_error_verbosity |

+-----------------------+

|                     3 |

+-----------------------+

1 row in set (0.00 sec)

mysql> set global log_error_verbosity=1;

Query OK, 0 rows affected (0.00 sec)

mysql> select @@log_error_verbosity;

+-----------------------+

| @@log_error_verbosity |

+-----------------------+

|                     1 |

+-----------------------+

1 row in set (0.00 sec)