Fixture link on the DP-8000 Going bad?

What's the likelyhood that the fixture link on one of my DP8ks could be bad?

Hog 3
DP8k - Hognet and FL in use on different switches and tried direct to gigabit ports
Static IPs assigned

The issue I'm having is that it doesnt seem to matter how I patch the fixture link nothing seems to be coming out of the this DP- ArtNet, sACN... i cant even ping the NIC.

Any suggestions?
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