I0413 18:38:29.316] 2018-04-13T18:38:29.314706Z	warn	Couldn't get to the bookinfo product page, trying again in 55 second
I0413 18:38:29.316] 2018-04-13T18:38:29.314852Z	error	Failed version routing! normal-user in v1: status code is 404
I0413 18:38:29.317] 2018-04-13T18:38:29.314867Z	error	Failed version routing! test-user in v2: status code is 404
I0413 18:38:29.317] 2018-04-13T18:38:29.314885Z	error	Probing Gateway failed after sidecar upgraded.. Error unable to get valid response from gateway
I0413 18:38:29.318] --- FAIL: TestUpgrade (349.24s)
I0413 18:38:29.318] 	upgrade_test.go:139: unable to get valid response from gateway
I0413 18:38:29.318] FAIL