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dropped over-mtu packet: 1501 > 1500

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After recently upgrading to the latest version we started seeing these errors in the kernel on a few nodes.

We are using openvswitch, the only thing I found using google that might explain the problem is this:
https://lkml.org/lkml/2020/8/10/522

Before the update we were running kernel 5.4.41-1-pve and did not have this problem.
All servers have the same network card, an Intel X520-DA2, and use the same configuration.
We use vlan tags for guests.

The only place I have noticed...

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