Kernel used by redhat-upgrade-tool will not boot if FIPS is enabled

Issue

• The upgrade of a system configured with FIPS enabled leads to a non bootable kernel during the upgrade process with this message: FIPS integrity test failed:

...
[  OK  ] Reached target Initrd File Systems.
[  OK  ] Reached target Initrd Default Target.
         Starting dracut pre-pivot and cleanup hook...
[   45.091997] dracut: FATAL: FIPS integrity test failed
[   44.609452] dracut-pre-pivot[626]: Warning: /boot/.vmlinuz-3.10.0-862.el7.x86_64.hmac does not exist
[   45.095147] dracut: Refusing to continue
...