setup cluster with 4.7.11 version which default is local gateway and upgrade to 4.8 fixed version. it will upgrade to share gateways. this issue can be veirified
However if we setup 4.7.29 version with local gateway config map specified before setup the cluster. and then upgrade to 4.8 fixed version, the cluster still be local gateways, then there is another issue https://bugzilla.redhat.com/show_bug.cgi?id=2002958
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 4.8.12 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.