Seeing unknown objects 4000 and 4001 under the report
All>>Report Library>>VMware vCenter>>Inventory>>Virtual Machines>>Virtual Machines >> <VM-Name> >> IP Networking
vmnic is a network interface card and it is configured in it ethernet0=4000 and/or ethernet1=4001.
As per
vmware: "
The last number would signify which ethernet statement in the config file, or from the top to bottom in the vm properties. ethernet0 = 4000, ethernet1=4001"