[  305.743477][ T1143] netdevsim: Exceeded number of supported nexthops
[  308.096732][ T1189] netdevsim: Failed to replace nexthop bucket
[  308.097172][ T1189] netdevsim: Failed to replace nexthop bucket
[  308.106533][ T1189] ip (1189) used greatest stack depth: 24256 bytes left
[  310.480813][ T1243] Failed to register nexthop notifier