[  190.313815] netdevsim netdevsim1337: Failed to register fib notifier
[  196.288806] netdevsim netdevsim1337: Failed to register fib notifier
[  200.006886] netdevsim netdevsim1337: Failed to register fib notifier
[  205.807826] netdevsim netdevsim1337: Failed to register fib notifier