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[Mohammed Naser <2053274@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

When using OVN, the `veth` interfaces which get created inside the
network namespace (and the other half that goes into the OVS bridge)
both do not get an MTU configured for them when they are provisioned.

https://github.com/openstack/neutron/blob/stable/zed/neutron/agent/ovn/metadata/agent.py#L589-L594

This can cause some unknown/annoying errors with packets being dropped
if a user is hitting large requests on the metadata service, the ideal
solution would be to configure the correct MTU for the interface to
avoid this issue.

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2053274

Title:
  [ovn] mtu for metadata veth interface is not set

Status in neutron:
  New

Bug description:
  When using OVN, the `veth` interfaces which get created inside the
  network namespace (and the other half that goes into the OVS bridge)
  both do not get an MTU configured for them when they are provisioned.

  https://github.com/openstack/neutron/blob/stable/zed/neutron/agent/ovn/metadata/agent.py#L589-L594

  This can cause some unknown/annoying errors with packets being dropped
  if a user is hitting large requests on the metadata service, the ideal
  solution would be to configure the correct MTU for the interface to
  avoid this issue.

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