I am following on this document Cisco APIC M1/M2/M3/L1/L2/M3 to M4/L4 Cluster Migration, Release 5.3(1) - Cisco to replace APIC-M2 with APIC-M4.It suggests that "...When you decommission a Cisco APIC, the APIC loses all fault, event, and audit log hi...