For OSP9d, we missed commit 662fa828764e6ab1e35d2b362e94aec20e80ca07 ("Allow updating of nodes in baremetal import").
It fixes a regression from OSP 8.
Was able to reun "openstack baremetal import --json instackenv.json" with no issues/errors.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.