This is not clear. The command "cryptsetup-reencrypt" on RHEL7 has an option to create LUKS2 devices, and in RHEL7 "cryptsetup" does not accept the "reencrypt" option, so I'd say this table requires some correction. Reported by: gpulido https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/security_hardening/encrypting-block-devices-using-luks_security-hardening#annotations:e97b16ab-f6f3-406d-9283-a1f954f07315