Symbol: supported_dump_vdev_type
usr/src/lib/libzfs/common/libzfs_pool.c
4808
if (!supported_dump_vdev_type(hdl, child[c], errbuf))
usr/src/lib/libzfs/common/libzfs_pool.c
4884
if (!supported_dump_vdev_type(hdl, top[0], errbuf)) {