* ldiskfs needs an ldiskfs patch series for that kernel, ZFS does not
* Client primary unpatched kernels built and tested during release cycle:
3.10.0-1062.9.1.el7 (RHEL7.7)
+ 3.10.0-1127.el7 (RHEL7.8)
4.12.14-95.45 (SLES12 SP4)
4.12.14-197.29 (SLES15 SP1)
4.15.0-48 (Ubuntu 18.04)