[  190.566574] netdevsim netdevsim1337: Failed to register fib notifier
[  196.455600] netdevsim netdevsim1337: Failed to register fib notifier
[  200.069587] netdevsim netdevsim1337: Failed to register fib notifier
[  205.676581] netdevsim netdevsim1337: Failed to register fib notifier