[  639.444071][ T3453] Failed to register fib notifier
[  656.133276][ T3605] ip (3605) used greatest stack depth: 24288 bytes left
[  693.821861][ T3902] ip (3902) used greatest stack depth: 23968 bytes left
[  698.545228][ T3932] Failed to register fib notifier
[  733.304248][ T4220] Failed to register fib notifier
[  790.366002][ T4697] Failed to register fib notifier