Code review changes

Author: gaurav1086

test/e2e/instrumentation/logging/generic_soak.go

@@ -58,7 +58,7 @@ var _ = instrumentation.SIGDescribe("Logging soak [Performance] [Slow] [Disrupti
 		var wg sync.WaitGroup
 		wg.Add(loggingSoak.Scale)
 		for i := 0; i < loggingSoak.Scale; i++ {
-			go func(i interface{}) {
+			go func(i int) {
 				defer wg.Done()
 				defer ginkgo.GinkgoRecover()
 				wave := fmt.Sprintf("wave%v", strconv.Itoa(i))