kldstat bug?

amd64, svn 199260, November 13, 2009

Is this behavior of kldstat a bug?  Some modules found, some not, and
the Id field differs even in success.

# kldstat
Id Refs Address            Size     Name
 1   19 0xffffffff80100000 f15ee8   kernel
 2    1 0xffffffff81016000 194220   zfs.ko
 3    2 0xffffffff811ab000 3928     opensolaris.ko
 4    1 0xffffffff811af000 24560    geom_mirror.ko
 5    1 0xffffffff811d4000 9ac0     siis.ko
 6    1 0xffffffff811de000 d0a8     ahci.ko
# kldstat -m zfs
Id  Refs Name
  3    1 zfs
# kldstat -m opensolaris
Id  Refs Name
  1    1 opensolaris
# kldstat -m geom_mirror
kldstat: can't find module geom_mirror: No such file or directory
# kldstat -m siis
kldstat: can't find module siis: No such file or directory
# kldstat -m ahci
kldstat: can't find module ahci: No such file or directory
#