Libvirt domain autostart sometimes fails with "Cannot get interface MTU"

Solution Verified - Updated -

Issue

  • When the host is rebooted, the Virtual Machine fails to automatically start with the below error:
Oct 16 10:29:29 hypervisor.example.com libvirtd[2827] error : virNetDevGetMTU:430 : Cannot get interface MTU on 'bridge0': No such device

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8

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