I can reproduce this by simply doing a large ping to an instance in devstack, geneve tenant network, so not related to vlan. Also no special provider network setup, default public network set up by devstack.
The OVN todo contains "MTU handling (fragmentation on output)" in https://github.com/ovn-org/ovn/blob/main/TODO.rst, so very likely something not implemented yet?
I can reproduce this by simply doing a large ping to an instance in devstack, geneve tenant network, so not related to vlan. Also no special provider network setup, default public network set up by devstack.
The OVN todo contains "MTU handling (fragmentation on output)" in https:/ /github. com/ovn- org/ovn/ blob/main/ TODO.rst, so very likely something not implemented yet?