MTU set to 1400 after migrating Virtual Machine to Openshift Virtualization

Solution Verified - Updated -

Issue

  • MTU of the network interface inside the guest is set to 1400 if MTU is not explicitly set in the localnet NetworkAttachementDefinition.

Environment

  • Openshift Virtualization 4.x
  • Migratin Toolkit for Virtualization (MTV) 2.x
  • Localnet NetworkAttachementDefinition without defined MTU

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