When checking logs on testnode, it is very useful to know which kernel
version is running inside (wendelin.core uses FUSE and depends on having
patched FUSE module for kernels < 5.2), which CPU is there, etc.

Format of printed output follows go benchmarking format and coincides
with start of `neotest info-local` (see footers on figures in
http://navytux.spb.ru/~kirr/neo.html and here:
https://lab.nexedi.com/kirr/neo/blob/1f26678b/go/neo/t/neotest#L585-874)