Multiple lock-related improvements were and are still being done upstream in the core networking subsystem. The main goal is to reduce the scope and contention of the RTNL lock.

This EPIC will track filtering the relevant commits to backport, testing and stabilizing the changes and backporting them.

More details can be found here, https://docs.google.com/document/d/19veKFHwyECmcM8MM--7C_hg6q0dnpqZVVe5TWM7l9p8/edit?usp=sharing