[  519.888198][ T7264] Failed to register fib notifier
[  531.283260][ T7850] Failed to register fib notifier
[  538.352278][ T8215] Failed to register fib notifier
[  549.313783][ T8801] Failed to register fib notifier
[  549.952140][ T6896] fib.sh (6896) used greatest stack depth: 23696 bytes left