[   43.374787][  T312] ip (312) used greatest stack depth: 24000 bytes left
[ 1183.340319][T10208] blackhole_netdev_xmit(): Dropping skb.
[ 1183.340754][T10208] blackhole_netdev_xmit(): Dropping skb.
[ 1183.340962][T10208] blackhole_netdev_xmit(): Dropping skb.
[ 1183.341177][T10208] blackhole_netdev_xmit(): Dropping skb.