The new GCE builders for windows-amd64 and windows-386 are getting this error a lot:--- FAIL: TestAcceptIgnoreSomeErrors (0.55s)    net_windows_test.go:126: recv failed: WSARecv tcp 127.0.0.1:51298: An existing connection was forcibly closed by the remote host.FAILFAIL    net 3.711sThe test looks very sleep & timing dependent.Can you make it more robust or disable it in short mode?