[  478.086617][ T4310] Failed to register fib notifier
[  489.779729][ T4939] Failed to register fib notifier
[  496.936419][ T5331] Failed to register fib notifier
[  508.703691][ T5960] Failed to register fib notifier
[  508.811273][ T5962] ip (5962) used greatest stack depth: 23712 bytes left