Amol Mishra

MAC address are being configured on flannel interface by `flanneld` and they are getting out of sync from `flanneld` config in `etcd`. etcd info is correct. `FLANNEL-FWD` we couldnt find...

To elaborate our issue, over a period of time, the MAC addresses go out of sync. I just took the output from our running cluster. You can observe the mac...

But why is Linux doing it only in 0.22.0? Why weren't we hitting this issue in 0.19.0? Haven't understood the doc completely, but does look like flannel has something to...

Also the fact as I mentioned in my previous comment, that flannel restart fixes it all. Implies that flannel does take some action, which fixes the arp entries. Same action,...

The issue is that it not getting updated in flannel. Theoretically, MAC can change when network or node restarts. Arp entry will need to be re-synced when that happens

We aren't even restarting. But just saying, MAC address can change for multiple reasons, and proper re-sync mechanism should be in place. Flannel just cannot run with bootstrap assumption. Isn't...

We exactly aren't aware what exactly is causing the issue. What we know is: 1. Something causes mac address to change. (Its not node restart, we have checked the uptime...

> ## Your Environment > * Flannel version: `v0.22.1` mode: `vxlan` > * k8s version: `v1.27.4` > * OS version: `CentOS Linux release 7.9.2009 (Core)` > > same issue after...