[   46.875973][  T314] ip (314) used greatest stack depth: 23960 bytes left
[ 1714.344173][T12783] blackhole_netdev_xmit(): Dropping skb.
[ 1714.344621][T12783] blackhole_netdev_xmit(): Dropping skb.
[ 1714.344840][T12783] blackhole_netdev_xmit(): Dropping skb.
[ 1714.345055][T12783] blackhole_netdev_xmit(): Dropping skb.