The latest 4.10 nightly (4.10.0-0.nightly-2022-06-23-003834) contains the fix (according to the message in the installer log). It hasn't passed all the blocking jobs yet so it's not promoted, but even if it's not, the blocking jobs are not related to metal and at least some of the metal jobs passed.
Build passed using 4.10.0-0.nightly-2022-06-23-003834 https://mastern-jenkins-csb-openshift-qe.apps.ocp-c1.prod.psi.redhat.com/job/ocp-common/job/Flexy-install/114604/ The logs shows wait time for bootstrapping is 1 hour: 06-23 12:23:39.011 level=info msg=Waiting up to 1h0m0s (until 6:23AM) for bootstrapping to complete...
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 (OpenShift Container Platform 4.10.20 bug fix update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2022:5172