RHEL7, xen: why network card does not appear in lspci output?

Solution Unverified - Updated -

Issue

When running RHEL as a guest VM (domU) under Xen hypervisor, the network cards seem to be present and working but they are not shown in lspci output.

Environment

  • Red Hat Enterprise Linux release 7
  • running as DomU under Xen

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