[    2.381731] ip (277) used greatest stack depth: 12352 bytes left
[   12.356528] ip (1132) used greatest stack depth: 12336 bytes left
[  682.514870] blackhole_netdev_xmit(): Dropping skb.
[  682.514939] blackhole_netdev_xmit(): Dropping skb.
[  682.514980] blackhole_netdev_xmit(): Dropping skb.
[  682.515025] blackhole_netdev_xmit(): Dropping skb.
[  947.546571] blackhole_netdev_xmit(): Dropping skb.
[  947.546636] blackhole_netdev_xmit(): Dropping skb.
[  947.546676] blackhole_netdev_xmit(): Dropping skb.
[  947.546713] blackhole_netdev_xmit(): Dropping skb.
[  953.394412] ip (26070) used greatest stack depth: 12312 bytes left
[  957.064325] blackhole_netdev_xmit(): Dropping skb.
[  957.064382] blackhole_netdev_xmit(): Dropping skb.
[  957.064417] blackhole_netdev_xmit(): Dropping skb.
[  957.064455] blackhole_netdev_xmit(): Dropping skb.
[  982.652231] blackhole_netdev_xmit(): Dropping skb.
[  982.652289] blackhole_netdev_xmit(): Dropping skb.
[  982.652319] blackhole_netdev_xmit(): Dropping skb.
[  982.652352] blackhole_netdev_xmit(): Dropping skb.
[ 1050.265079] blackhole_netdev_xmit(): Dropping skb.
[ 1050.265142] blackhole_netdev_xmit(): Dropping skb.
[ 1050.265171] blackhole_netdev_xmit(): Dropping skb.
[ 1050.265203] blackhole_netdev_xmit(): Dropping skb.
[ 1134.448846] blackhole_netdev_xmit(): Dropping skb.
[ 1134.448905] blackhole_netdev_xmit(): Dropping skb.
[ 1134.448948] blackhole_netdev_xmit(): Dropping skb.
[ 1134.449005] blackhole_netdev_xmit(): Dropping skb.
[ 1182.197798] blackhole_netdev_xmit(): Dropping skb.
[ 1182.197863] blackhole_netdev_xmit(): Dropping skb.
[ 1182.197923] blackhole_netdev_xmit(): Dropping skb.
[ 1182.197972] blackhole_netdev_xmit(): Dropping skb.
[ 1205.989705] blackhole_netdev_xmit(): Dropping skb.
[ 1205.989767] blackhole_netdev_xmit(): Dropping skb.
[ 1205.989803] blackhole_netdev_xmit(): Dropping skb.
[ 1205.989842] blackhole_netdev_xmit(): Dropping skb.
[ 1223.731306] blackhole_netdev_xmit(): Dropping skb.
[ 1223.731368] blackhole_netdev_xmit(): Dropping skb.
[ 1223.731404] blackhole_netdev_xmit(): Dropping skb.
[ 1223.731437] blackhole_netdev_xmit(): Dropping skb.