net: TestReadTimeout failures

[gopherbot]

#!watchflakes
default <- pkg == "net" && test == "TestReadTimeout"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestReadTimeout
    timeout_test.go:338: accept tcp4 127.0.0.1:34293: use of closed network connection
--- FAIL: TestReadTimeout (0.09s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "net" && test == "TestReadTimeout"

2025-10-13 17:44 gotip-openbsd-amd64 go@0e64ee12 net.TestReadTimeout (log)

=== RUN   TestReadTimeout
    timeout_test.go:338: accept tcp4 127.0.0.1:34293: use of closed network connection
--- FAIL: TestReadTimeout (0.09s)

— watchflakes