[  191.345317] netdevsim netdevsim1337: Failed to register fib notifier
[  197.322357] netdevsim netdevsim1337: Failed to register fib notifier
[  201.050317] netdevsim netdevsim1337: Failed to register fib notifier
[  206.805333] netdevsim netdevsim1337: Failed to register fib notifier