crypto/tls: TestVerifyCertificates/TLSv12/RequireAnyClientCert failures

[gopherbot]

#!watchflakes
default <- pkg == "crypto/tls" && test == "TestVerifyCertificates/TLSv12/RequireAnyClientCert"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestVerifyCertificates/TLSv12/RequireAnyClientCert
=== PAUSE TestVerifyCertificates/TLSv12/RequireAnyClientCert
=== CONT  TestVerifyCertificates/TLSv12/RequireAnyClientCert
    handshake_test.go:425: failed to call cli.Close: close tcp 127.0.0.1:27973->127.0.0.1:24042: connection reset by peer
--- FAIL: TestVerifyCertificates/TLSv12/RequireAnyClientCert (0.02s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "crypto/tls" && test == "TestVerifyCertificates/TLSv12/RequireAnyClientCert"

2024-06-05 13:49 gotip-freebsd-riscv64 go@7a072fc2 crypto/tls.TestVerifyCertificates/TLSv12/RequireAnyClientCert (log)

=== RUN   TestVerifyCertificates/TLSv12/RequireAnyClientCert
=== PAUSE TestVerifyCertificates/TLSv12/RequireAnyClientCert
=== CONT  TestVerifyCertificates/TLSv12/RequireAnyClientCert
    handshake_test.go:425: failed to call cli.Close: close tcp 127.0.0.1:27973->127.0.0.1:24042: connection reset by peer
--- FAIL: TestVerifyCertificates/TLSv12/RequireAnyClientCert (0.02s)

2024-06-07 20:13 gotip-freebsd-riscv64 go@5532427c crypto/tls.TestVerifyCertificates/TLSv12/RequireAnyClientCert (log)

=== RUN   TestVerifyCertificates/TLSv12/RequireAnyClientCert
=== PAUSE TestVerifyCertificates/TLSv12/RequireAnyClientCert
=== CONT  TestVerifyCertificates/TLSv12/RequireAnyClientCert
    handshake_test.go:425: failed to call cli.Close: close tcp 127.0.0.1:13194->127.0.0.1:15673: connection reset by peer
--- FAIL: TestVerifyCertificates/TLSv12/RequireAnyClientCert (0.04s)

— watchflakes

[FiloSottile]

Duplicate of #68155