[    1.626325] ip (242) used greatest stack depth: 12352 bytes left
[    1.671447] ip (248) used greatest stack depth: 12304 bytes left
[  793.077132] blackhole_netdev_xmit(): Dropping skb.
[  793.077201] blackhole_netdev_xmit(): Dropping skb.
[  793.077237] blackhole_netdev_xmit(): Dropping skb.
[  793.077287] blackhole_netdev_xmit(): Dropping skb.
[ 1008.738365] blackhole_netdev_xmit(): Dropping skb.
[ 1008.738428] blackhole_netdev_xmit(): Dropping skb.
[ 1008.738466] blackhole_netdev_xmit(): Dropping skb.
[ 1008.738510] blackhole_netdev_xmit(): Dropping skb.
[ 1037.846595] blackhole_netdev_xmit(): Dropping skb.
[ 1037.846651] blackhole_netdev_xmit(): Dropping skb.
[ 1037.846693] blackhole_netdev_xmit(): Dropping skb.
[ 1037.846727] blackhole_netdev_xmit(): Dropping skb.
[ 1040.054285] blackhole_netdev_xmit(): Dropping skb.
[ 1040.054359] blackhole_netdev_xmit(): Dropping skb.
[ 1040.054406] blackhole_netdev_xmit(): Dropping skb.
[ 1040.054447] blackhole_netdev_xmit(): Dropping skb.
[ 1051.552108] blackhole_netdev_xmit(): Dropping skb.
[ 1051.552163] blackhole_netdev_xmit(): Dropping skb.
[ 1051.552199] blackhole_netdev_xmit(): Dropping skb.
[ 1051.552236] blackhole_netdev_xmit(): Dropping skb.
[ 1071.377460] blackhole_netdev_xmit(): Dropping skb.
[ 1071.377510] blackhole_netdev_xmit(): Dropping skb.
[ 1071.377539] blackhole_netdev_xmit(): Dropping skb.
[ 1071.377568] blackhole_netdev_xmit(): Dropping skb.
[ 1120.379748] blackhole_netdev_xmit(): Dropping skb.
[ 1120.379808] blackhole_netdev_xmit(): Dropping skb.
[ 1120.379842] blackhole_netdev_xmit(): Dropping skb.
[ 1120.379881] blackhole_netdev_xmit(): Dropping skb.