Packet Counters Not Incrementing on Bridge Interfaces

Solution In Progress - Updated -

Issue

We have KVM machines in our infrastructure that are wired as follows:
emX-> emX.vlan# -> emX-bridge# -> vnet#

When we send traffic through these interfaces we only see incrementing packet counters on the following points:
emX
emX.vlan#
vnet#

We do not see incrementing counters on the bridge interface. Is this expected? If it is expected, what is the reason for this? At which points in this chain of interfaces could packets possibly be dropped?

Environment

  • Red Hat Enterprise Linux 7.0

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