Just did a fresh install of 10.13.2 with Clover r4359 (on unraid 6.4.0_rc18f). Everything is ok.
Thanks gridrunner for the Youtube video.
Haven't tried passthrough NVIDIA GPU yet.
Great stuff.
I guess theoretically, you could even run the PCI-Express to 2 PCI adapter board on an external GPU thunderbolt 3 enclosure, like as on egpu.io or https://9to5mac.com/2017/04/19/akitio-node-gtx-1080-ti-gpu-macbook-pro-gaming-egpu/