spl-dkms 0.6.5.6-0ubuntu1 (amd64 binary) in ubuntu xenial

 The Solaris Porting Layer (SPL) is a Linux kernel module which provides many of
 the Solaris kernel APIs. This shim layer makes it possible to run Solaris
 kernel code in the Linux kernel with relatively minimal modification.
 .
 The Solaris Porting LAyer Tests (SPLAT) is a Linux kernel module which provides
 a testing harness for the SPL module.