Uhhuh. NMI received for unknown reason 20 on CPU 0.

Hi *, with the latest kernel 5.18.2-1-default I get the following messages in my journal: Uhhuh. NMI received for unknown reason 20 on CPU 0. Dazed and confused, but trying to continue What does this mean? Do I have to worry about them? This is a Dell Inc. XPS 13 9310 2-in-1 notebook with the latest Tumbleweed snapshot. Thx and bye. Michael.