CSV table with INET6 can be created and inserted into, but cannot be read from

create or replace table t1 (a inet6 not null) engine=csv;

insert into t1 values ('2001:db8::ff00:42:8329');

select * from t1;

MariaDB [test]> create or replace table t1 (a inet6 not null) engine=csv;

Query OK, 0 rows affected (0.062 sec)

MariaDB [test]> insert into t1 values ('2001:db8::ff00:42:8329');

Query OK, 1 row affected (0.017 sec)

MariaDB [test]> select * from t1;

ERROR 1194 (HY000): Table 't1' is marked as crashed and should be repaired

MariaDB [test]> repair table t1;

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

| Table   | Op     | Msg_type | Msg_text                                                                            |

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

| test.t1 | repair | Warning  | Incorrect inet6 value: '2001:db8::ff00:42:8329' for column `test`.`t1`.`a` at row 1 |

| test.t1 | repair | status   | OK                                                                                  |

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

2 rows in set (0.017 sec)

MariaDB [test]> select * from t1;

Empty set (0.001 sec)