[SOLVED] Ethernet Expansion Card connection issues

If you’re seeing:

usb 2-3: USB disconnect, device number 74 xhci_hcd 0000:00:0d.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state. cdc_ncm 2-3:2.0 enx9cbf0d000e38: unregister 'cdc_ncm' usb-0000:00:0d.0-3, CDC NCM xhci_hcd 0000:00:0d.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state.

It’s a bad card. RMA needs to happen.