https://bugs.winehq.org/show_bug.cgi?id=35781
--- Comment #13 from Austin English austinenglish@gmail.com ---
From upstream:
====== I have no idea why you think its a kernel bug.
Kernel is free to enforce a minimum SO_SNDBUF value, without any notice.
SO_SNDBUF is advisory only.
We want being able to switch kernel allocator for skbs to whatever granularity we want in the future.
A conformant application would autodiscover what is the _current_ minimum value if it really cares. ======