procnetdev
Procnetdev is a virtual network device created by the Linux kernel. It functions as an internal loopback interface, primarily used for debugging and testing network configurations within the operating system itself. Unlike physical network interfaces that connect to external networks, procnetdev does not have any hardware association and its traffic is entirely contained within the host system.
The primary purpose of procnetdev is to allow processes to communicate with each other using standard network
The procnetdev interface typically appears as a network device named "procnetdev" when using network status commands