So at least in principle it may be affected by the mentioned issue. I don’t know about the maintenance status of the Vortexbox on it, but in your screenshot it provides the Linux kernel version 4.8.13.
Vortexbox is based on the Fedora distribution (DistroWatch.com: VortexBox) and the Linux kernel 4.8 was in Fedora 25, which had an end-of-life date in 2012 (Fedora Linux release history - Wikipedia), i.e., this kernel version is woefully outdated by 7 years, and my guess is that the same applies to the whole Vortexbox installation.
I would recommend that you contact Audioaanzee and ask them how to update the Vortexbox and if they are aware whether your model is causing the issue with Roon as described in all detail in Roon Lab’s post:
If Audioanzee can’t update the Vortexbox on this server anymore, you might be able to fix this with: