For different Cisco families, the default VRF name may be inconsistent in technology tables where the VRF name is present. There are the following examples:
As per the following example, the excerpt from the technology/addressing/managed-ip table, all records are for Cisco devices, but different families are involved:
Managed-IP table in IP Fabric
How the internal algorithms operate
Internally, IP Fabric understands the discrepancy and uses the special labels to identify default VRF and to simulate the End-to-End path correctly.