diff --git a/test/e2e/lifecycle/reboot.go b/test/e2e/lifecycle/reboot.go
index 04cabdde826..e3813bde4ed 100644
--- a/test/e2e/lifecycle/reboot.go
+++ b/test/e2e/lifecycle/reboot.go
@@ -110,7 +110,7 @@ var _ = SIGDescribe("Reboot [Disruptive] [Feature:Reboot]", func() {
 	It("each node by switching off the network interface and ensure they function upon switch on", func() {
 		// switch the network interface off for a while to simulate a network outage
 		// We sleep 10 seconds to give some time for ssh command to cleanly finish before network is down.
-		testReboot(f.ClientSet, "nohup sh -c 'sleep 10 && (sudo ifdown eth0 || sudo ip link set eth0 down) && sleep 120 && (sudo ifup eth0 || sudo ip link set eth0 up)' >/dev/null 2>&1 &", nil)
+		testReboot(f.ClientSet, "nohup sh -c 'sleep 10 && sudo ip link set eth0 down && sleep 120 && sudo ip link set eth0 up && (sudo dhclient || true)' >/dev/null 2>&1 &", nil)
 	})
 
 	It("each node by dropping all inbound packets for a while and ensure they function afterwards", func() {