Opened "h5mkgrp_nested_lp.h5" with sec2 driver.
/                        Group
    Location:  1:48
    Links:     1
    Modified:  XXXX-XX-XX XX:XX:XX XXX
/one                     Group
    Location:  1:195
    Links:     1
    Modified:  XXXX-XX-XX XX:XX:XX XXX
/one/two                 Group
    Location:  1:342
    Links:     1
    Modified:  XXXX-XX-XX XX:XX:XX XXX