diff --git a/test/e2e_node/container_lifecycle_pod_construction.go b/test/e2e_node/container_lifecycle_pod_construction.go
index 9c69d7254ba..dbd71304f03 100644
--- a/test/e2e_node/container_lifecycle_pod_construction.go
+++ b/test/e2e_node/container_lifecycle_pod_construction.go
@@ -48,6 +48,8 @@ type execCommand struct {
 	// ContainerName is the name of the container to append the log. If empty,
 	// the name specified in ExecCommand will be used.
 	ContainerName string
+	// LoopPeriod is the time interval for executing the loop.
+	LoopPeriod float32
 }
 
 // ExecCommand returns the command to execute in the container that implements
@@ -88,8 +90,13 @@ func ExecCommand(name string, c execCommand) []string {
 	if c.Delay != 0 {
 		fmt.Fprint(&cmd, sleepCommand(c.Delay))
 	}
+
+	loopPeriod := float32(1)
+	if c.LoopPeriod != 0 {
+		loopPeriod = c.LoopPeriod
+	}
 	if c.LoopForever {
-		fmt.Fprintf(&cmd, "while true; do echo %s '%s Looping' | tee -a %s >> /proc/1/fd/1 ; sleep 1 ; done; ", timeCmd, name, containerLog)
+		fmt.Fprintf(&cmd, "while true; do echo %s '%s Looping' | tee -a %s >> /proc/1/fd/1 ; sleep %f ; done; ", timeCmd, name, containerLog, loopPeriod)
 	}
 	fmt.Fprintf(&cmd, "echo %s '%s Exiting'  | tee -a %s >> /proc/1/fd/1; ", timeCmd, name, containerLog)
 	fmt.Fprintf(&cmd, "exit %d", c.ExitCode)
diff --git a/test/e2e_node/container_lifecycle_test.go b/test/e2e_node/container_lifecycle_test.go
index bc455077738..a4c4617787d 100644
--- a/test/e2e_node/container_lifecycle_test.go
+++ b/test/e2e_node/container_lifecycle_test.go
@@ -3178,6 +3178,7 @@ var _ = SIGDescribe(nodefeature.SidecarContainers, "Containers Lifecycle", func(
 									ExitCode:      0,
 									ContainerName: containerName,
 									LoopForever:   true,
+									LoopPeriod:    0.2,
 								}),
 							},
 						},
@@ -3280,7 +3281,7 @@ var _ = SIGDescribe(nodefeature.SidecarContainers, "Containers Lifecycle", func(
 				ps3Last, err := results.TimeOfLastLoop(prefixedName(PreStopPrefix, restartableInit3))
 				framework.ExpectNoError(err)
 
-				const simulToleration = 500 // milliseconds
+				const simulToleration = 1000 // milliseconds
 				// should all end together since they loop infinitely and exceed their grace period
 				gomega.Expect(ps1Last-ps2Last).To(gomega.BeNumerically("~", 0, simulToleration),
 					fmt.Sprintf("expected PostStart 1 & PostStart 2 to be killed at the same time, got %s", results))
@@ -3290,7 +3291,7 @@ var _ = SIGDescribe(nodefeature.SidecarContainers, "Containers Lifecycle", func(
 					fmt.Sprintf("expected PostStart 2 & PostStart 3 to be killed at the same time, got %s", results))
 
 				// 30 seconds + 2 second minimum grace for the SIGKILL
-				const lifetimeToleration = 1000 // milliseconds
+				const lifetimeToleration = 1500 // milliseconds
 				gomega.Expect(ps1Last-ps1).To(gomega.BeNumerically("~", 32000, lifetimeToleration),
 					fmt.Sprintf("expected PostStart 1 to live for ~32 seconds, got %s", results))
 				gomega.Expect(ps2Last-ps2).To(gomega.BeNumerically("~", 32000, lifetimeToleration),