Am 28.01.22 um 19:35 schrieb Paul Davis:
  thunderbird (aka "PCI.? bus on a cable") is
presumably the right answer. 
Has just a new interface saw the light which I haven't heard of, yet?
Sticking to the good old PCI-Clasic device, I wonder if pipewire does
work well with RME HDSP. Last time I tried, I wasn't lucky.
Greets!
Mitsch