diff --git a/tools/images/kubeadm-aio/assets/opt/playbooks/roles/deploy-kubelet/templates/kubelet.service.j2 b/tools/images/kubeadm-aio/assets/opt/playbooks/roles/deploy-kubelet/templates/kubelet.service.j2
index eb4519758..62a4e7740 100644
--- a/tools/images/kubeadm-aio/assets/opt/playbooks/roles/deploy-kubelet/templates/kubelet.service.j2
+++ b/tools/images/kubeadm-aio/assets/opt/playbooks/roles/deploy-kubelet/templates/kubelet.service.j2
@@ -4,6 +4,7 @@ Documentation=http://kubernetes.io/docs/
 
 [Service]
 ExecStartPre=/sbin/swapoff -a
+ExecStartPre=/bin/bash -c "echo 1 > /proc/sys/net/bridge/bridge-nf-call-iptables"
 ExecStart=/usr/bin/kubelet
 Restart=always
 StartLimitInterval=0