error_page not honored

Tue Jun 18 17:54:06 UTC 2019

I setup my own error_page for 400 but it doesn't seem to be honored. The
default page still is returned when client failed to provide certificate.
Any ideas?

< HTTP/1.1 400 Bad Request
< Date: Tue, 18 Jun 2019 17:50:04 GMT
< Content-Type: text/html
< Content-Length: 230
< Connection: close
<
<html>
<head><title>400 No required SSL certificate was sent</title></head>
<body>
<center><h1>400 Bad Request</h1></center>
<center>No required SSL certificate was sent</center>
<hr><center>nginx</center>
</body>
</html>
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