fastly/httpd-2.4 — pull request #9 by tfheen (2014-08-15 09:22:53+00:00)
Title: Output reason for 400 when SNI host name != HTTP host name

We can annotate the default error output by using r->notes. Do so for
the case of SNI host name != HTTP host name, since it's an error that
confuses people a lot.