Posted by Robert Monaghan on 14 December 2017 02:31 PM
If you are using a 10Gb device with macOS 10.13 High Sierra, you will want to read the following:
This webpage will explain a security feature that will cause the 10Gb ethernet to stop working.
Once you follow the instructions to enable the driver of your 10Gb device, it should resume working.
I will be posting updates to Séance v3 and Séance Flex4K v2.1 in a day or so, to help identify (and fix bugs relating to) this new security feature.