What happend:
There is an ingress-controller in the cluster that exposes port 80 and 443 port, When restarting the Docker daemon, there may be an additional host port iptables rule.
Here are the situations where multiple restarts have occurred, Restarting Docker will add a host port iptables rule
What happend: There is an ingress-controller in the cluster that exposes port 80 and 443 port, When restarting the Docker daemon, there may be an additional host port iptables rule. Here are the situations where multiple restarts have occurred, Restarting Docker will add a host port iptables rule
Not using the multus-cni plugin, restarting Docker with only one hostport iptables rule.
What you expected to happen: There is only one host port iptables rule.
How to reproduce it (as minimally and precisely as possible):
Anything else we need to know?:
Environment:
kubectl version
): v1.21.5