[  192.010754] netdevsim netdevsim1337: Failed to register fib notifier
[  198.135800] netdevsim netdevsim1337: Failed to register fib notifier
[  201.690764] netdevsim netdevsim1337: Failed to register fib notifier
[  207.201752] netdevsim netdevsim1337: Failed to register fib notifier