Why Interface gets the wrong custom name instead of the one mentioned in the interface configuration file under /etc/sysconfig/network-scripts?

Solution Verified - Updated -

Issue

  • Unable to change custom NIC name.
  • Interface name not changing after having expected NAME, and DEVICE parameters in ifcfg file for the NIC.

Environment

  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • NetworkManager
  • network-scripts

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