Symptom
A policy element core is seen on a leaf switch after downgrading from a 13.2+ release to a 13.1 or prior release.
Conditions
Downgrade from 3.2+ to a release in the 3.1 or older code branch
Netflow exporter configured
Workaround
Delete policy from Tenant -> Policies -> Netflow -> Netflow Exporter
The tenant can be identified by using moquery or visore and searching for netflowExporterPol
apic1# moquery -c netflowExporterPol
Total Objects shown: 1
# netflow.ExporterPol
name : Exporter_Config
annotation :
childAction :
descr :
dn : uni/tn-TENANT_NAME <---
Further Problem Description
