https://bugs.winehq.org/show_bug.cgi?id=44895
--- Comment #18 from mail+wine@m-reimer.de --- My build has finished and I've installed my patched package.
I also got sure that my LAN MTU hack is disabled and double-checked with "ip addr".
If I launch LoL with the wine-staging version which has the "proposed fix" patch activated, then I'm able to log in without any issues even if the OpenWRT router is used.
So for me: This patch definitively fixes the issue.
The only thing that is left and really makes playing LoL a pain for me is: https://bugs.winehq.org/show_bug.cgi?id=45145