[  305.856824][ T1141] netdevsim: Exceeded number of supported nexthops
[  308.011939][ T1187] netdevsim: Failed to replace nexthop bucket
[  308.012265][ T1187] netdevsim: Failed to replace nexthop bucket
[  310.341628][ T1242] Failed to register nexthop notifier
[  311.320373][  T225] perl (225) used greatest stack depth: 24184 bytes left