The flakes were introduced by me in CL 586655. It's unclear why only
FreeBSD seems affected, maybe other TCP stacks handle sending on a
half-closed connection differently, or aren't as quick to propagate the
RST over localhost.
Fixes #68155
Change-Id: I32a1b474a7d6531dbab93910c23568b867629e8c
Reviewed-on: https://go-review.googlesource.com/c/go/+/602615 Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>