Slave_IO_State field is too short

The column Slave_IO_State is too short to receive all the messages related to the slave IO state.

 show slave status\G
*************************** 1. row ***************************
               Slave_IO_State: Waiting for master to send event

select Slave_IO_State from INFORMATION_SCHEMA.SLAVE_STATUS\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for ma

select * from columns where table_schema='information_schema' and table_name='slave_status' and column_name='Slave_IO_State'\G
*************************** 1. row ***************************
           TABLE_CATALOG: NULL
            TABLE_SCHEMA: information_schema
              TABLE_NAME: slave_status
             COLUMN_NAME: Slave_IO_State
        ORDINAL_POSITION: 1
          COLUMN_DEFAULT:
             IS_NULLABLE: NO
               DATA_TYPE: varchar
CHARACTER_MAXIMUM_LENGTH: 14
  CHARACTER_OCTET_LENGTH: 42
       NUMERIC_PRECISION: NULL
           NUMERIC_SCALE: NULL
      CHARACTER_SET_NAME: utf8
          COLLATION_NAME: utf8_general_ci
             COLUMN_TYPE: varchar(14)
              COLUMN_KEY:
                   EXTRA:
              PRIVILEGES: select
          COLUMN_COMMENT: