[  192.267474] netdevsim netdevsim1337: Failed to register fib notifier
[  198.463474] netdevsim netdevsim1337: Failed to register fib notifier
[  202.260497] netdevsim netdevsim1337: Failed to register fib notifier
[  208.541505] netdevsim netdevsim1337: Failed to register fib notifier