MRP protocol

configname: CONFIG_BRIDGE_MRP

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>MRP protocol
In linux kernel since version 5.1 (release Date: 2019-05-05)  
If you say Y here, then the Ethernet bridge will be able to run MRP
protocol to detect loops

Say N to exclude this support and reduce the binary size.

If unsure, say N.