Loopback adapters are removed from the network adapter table as they do not have a MAC addressesDescriptionThe `Remove empty MAC or name from Network Adapter` step in `SNMP - Identify` is removing loopback adapters.Steps to Reproduce Run discovery of network router with loopback interfacesObserve loopback interface network adapter records are removedWorkaroundThis problem is currently under review and targeted to be fixed in a future release. Subscribe to this Known Error article to receive notifications when more information will be available.Related Problem: PRB1733268