net: return "cannot unmarshal" error while parsing DNS messages
Change-Id: I407f5d3d3a3e8b3d43ff154f731d885e831971e9
GitHub-Last-Rev:
d6a400d1ba6a09e726c9b4e4774a7e8a611611e8
GitHub-Pull-Request: golang/go#62155
Reviewed-on: https://go-review.googlesource.com/c/go/+/520980
Run-TryBot: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Mateusz Poliwczak <mpoliwczak34@gmail.com>