Why updating RHV-H is stuck while running post scriptlet?

Issue

• While updating RHV-H, the update process is stuck for more than an hour and was not progressing.
• The last logged message by the imgbased in imgbased.log is below and there is no progress after this event:

2022-08-12 18:28:11,981 [DEBUG] (MainThread) Calling: (['runcon', '-t', 'setfiles_t', '--', 'chroot', '/tmp/mnt.eGbNT', 'setfiles', '-v', '/etc/selinux/targeted/contexts/files/file_contexts', '-e', '/usr/share/factory', '-e', '/var/cache/app-info', '/etc', '/usr/bin', '/usr/libexec', '/usr/sbin', '/usr/share', '/var'],) {'close_fds': True, 'stderr': -2}