Merge pull request #8744 from tstromberg/noisy-spam

TestErrorSpam: Add overlayfs/docker perf issue to stderrAllow

test/integration/error_spam_test.go

@@ -36,6 +36,10 @@ var stderrAllow = []string{
 	`cache_images.go:.*error getting status`,
 	// don't care if we can't push images to other profiles which are deleted.
 	`cache_images.go:.*Failed to load profile`,
+	// ! 'docker' driver reported a issue that could affect the performance."
+	`docker.*issue.*performance`,
+	// "* Suggestion: enable overlayfs kernel module on your Linux"
+	`Suggestion.*overlayfs`,
 }
 
 // stderrAllowRe combines rootCauses into a single regex
@@ -64,14 +68,10 @@ func TestErrorSpam(t *testing.T) {
 	stderr := rr.Stderr.String()
 
 	for _, line := range strings.Split(stderr, "\n") {
-		if strings.HasPrefix(line, "E") {
 		if stderrAllowRe.MatchString(line) {
 			t.Logf("acceptable stderr: %q", line)
 			continue
 		}
-			t.Errorf("unexpected error log: %q", line)
-			continue
-		}
 
 		if len(strings.TrimSpace(line)) > 0 {
 			t.Errorf("unexpected stderr: %q", line)