Manual installation on ipi-on-vsphere several times against 4.9.38, didn't detect bootstrap failure error any more.
UPI-on-vSphere installation is successful.
So move bug to VERIFIED.
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 4.9.38 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.