https://bugs.winehq.org/show_bug.cgi?id=50499
--- Comment #6 from James James@superbug.co.uk --- I have tested it, and SO_ATTACH_REUSEPORT_CBPF works. One can get Linux to behave like Windows on receipt of UDP packets.
See "udpbftserver.c" from here: https://github.com/jcdutton/wine-testing