[    2.357105] ip (272) used greatest stack depth: 12344 bytes left
[  890.194423] blackhole_netdev_xmit(): Dropping skb.
[  890.194514] blackhole_netdev_xmit(): Dropping skb.
[  890.194561] blackhole_netdev_xmit(): Dropping skb.
[  890.194606] blackhole_netdev_xmit(): Dropping skb.
[ 1098.903380] blackhole_netdev_xmit(): Dropping skb.
[ 1098.903459] blackhole_netdev_xmit(): Dropping skb.
[ 1098.903494] blackhole_netdev_xmit(): Dropping skb.
[ 1098.903533] blackhole_netdev_xmit(): Dropping skb.
[ 1104.591323] blackhole_netdev_xmit(): Dropping skb.
[ 1104.591377] blackhole_netdev_xmit(): Dropping skb.
[ 1104.591409] blackhole_netdev_xmit(): Dropping skb.
[ 1104.591444] blackhole_netdev_xmit(): Dropping skb.
[ 1144.894983] blackhole_netdev_xmit(): Dropping skb.
[ 1144.895047] blackhole_netdev_xmit(): Dropping skb.
[ 1144.895089] blackhole_netdev_xmit(): Dropping skb.
[ 1144.895132] blackhole_netdev_xmit(): Dropping skb.