log_line log_part        log_time         log_idle_msecs log_level log_mark log_comment log_tags log_filters col_0  col_1   
       0   <NULL> 2021-05-19 08:00:01.000              0 info             0      <NULL>   <NULL>      <NULL>     1 /abc/def 
       2   <NULL> 2021-05-19 08:00:03.000           2000 info             0      <NULL>   <NULL>      <NULL>     3 /ghi/jkl 
