[  298.234970][ T2614] netdevsim netdevsim1337: Failed to register fib notifier
[  351.406945][ T3070] netdevsim netdevsim1337: Failed to register fib notifier
[  383.302940][ T3345] netdevsim netdevsim1337: Failed to register fib notifier
[  436.703852][ T3799] netdevsim netdevsim1337: Failed to register fib notifier