net/http: TestServerConnState is flaky #32329
Description
dragonfly-amd64: https://build.golang.org/log/c79adae2958dc28dd62ca163328fd6dc526ea37f
2019/05/27 18:04:00 http: TLS handshake error from 127.0.0.1:53789: read tcp 127.0.0.1:59376->127.0.0.1:53789: use of closed network connection
2019/05/27 18:04:00 http: TLS handshake error from 127.0.0.1:50713: read tcp 127.0.0.1:59376->127.0.0.1:50713: use of closed network connection
2019/05/27 18:04:00 http: TLS handshake error from 127.0.0.1:56210: read tcp 127.0.0.1:59376->127.0.0.1:56210: use of closed network connection
2019/05/27 18:04:00 http: TLS handshake error from 127.0.0.1:53175: read tcp 127.0.0.1:59376->127.0.0.1:53175: use of closed network connection
2019/05/27 18:04:00 http: TLS handshake error from 127.0.0.1:59361: write tcp 127.0.0.1:59376->127.0.0.1:59361: use of closed network connection
--- FAIL: TestServerConnState (1.00s)
serve_test.go:4256: Unexpected events.
Got log:
Conn 1: new active idle active
Conn 2: new active idle active closed
Conn 3: new active hijacked
Conn 4: new active hijacked
Conn 5: new closed
Conn 6: new active closed
Conn 7: new active idle closed
Want:
Conn 1: new active idle active closed
Conn 2: new active idle active closed
Conn 3: new active hijacked
Conn 4: new active hijacked
Conn 5: new closed
Conn 6: new active closed
Conn 7: new active idle closed
FAIL
FAIL net/http 12.507s
CC @bradfitz