[    1.822364] ip (242) used greatest stack depth: 12816 bytes left
[    1.856462] ip (245) used greatest stack depth: 12368 bytes left
[    2.402513] ip (276) used greatest stack depth: 12336 bytes left
[  968.781964] blackhole_netdev_xmit(): Dropping skb.
[  968.782031] blackhole_netdev_xmit(): Dropping skb.
[  968.782069] blackhole_netdev_xmit(): Dropping skb.
[  968.782105] blackhole_netdev_xmit(): Dropping skb.
[  980.339844] blackhole_netdev_xmit(): Dropping skb.
[  980.339893] blackhole_netdev_xmit(): Dropping skb.
[  980.339924] blackhole_netdev_xmit(): Dropping skb.
[  980.339952] blackhole_netdev_xmit(): Dropping skb.
[  981.879971] blackhole_netdev_xmit(): Dropping skb.
[  981.880033] blackhole_netdev_xmit(): Dropping skb.
[  981.880070] blackhole_netdev_xmit(): Dropping skb.
[  981.880110] blackhole_netdev_xmit(): Dropping skb.
[  984.536631] blackhole_netdev_xmit(): Dropping skb.
[  984.536680] blackhole_netdev_xmit(): Dropping skb.
[  988.438993] net_ratelimit: 2 callbacks suppressed
[  988.439004] blackhole_netdev_xmit(): Dropping skb.
[  988.439082] blackhole_netdev_xmit(): Dropping skb.
[  988.439114] blackhole_netdev_xmit(): Dropping skb.
[  988.439148] blackhole_netdev_xmit(): Dropping skb.
[  992.157355] blackhole_netdev_xmit(): Dropping skb.
[  992.157404] blackhole_netdev_xmit(): Dropping skb.
[  992.157435] blackhole_netdev_xmit(): Dropping skb.
[  992.157467] blackhole_netdev_xmit(): Dropping skb.
[ 1003.399525] blackhole_netdev_xmit(): Dropping skb.
[ 1003.399589] blackhole_netdev_xmit(): Dropping skb.
[ 1003.399633] blackhole_netdev_xmit(): Dropping skb.
[ 1003.399670] blackhole_netdev_xmit(): Dropping skb.
[ 1013.138894] blackhole_netdev_xmit(): Dropping skb.
[ 1013.138954] blackhole_netdev_xmit(): Dropping skb.
[ 1013.138999] blackhole_netdev_xmit(): Dropping skb.
[ 1013.139057] blackhole_netdev_xmit(): Dropping skb.
[ 1029.941063] blackhole_netdev_xmit(): Dropping skb.
[ 1029.941129] blackhole_netdev_xmit(): Dropping skb.
[ 1029.941165] blackhole_netdev_xmit(): Dropping skb.
[ 1029.941208] blackhole_netdev_xmit(): Dropping skb.
[ 1048.329270] blackhole_netdev_xmit(): Dropping skb.
[ 1048.329349] blackhole_netdev_xmit(): Dropping skb.
[ 1048.329388] blackhole_netdev_xmit(): Dropping skb.
[ 1048.329426] blackhole_netdev_xmit(): Dropping skb.
[ 1137.640949] blackhole_netdev_xmit(): Dropping skb.
[ 1137.641011] blackhole_netdev_xmit(): Dropping skb.
[ 1137.641044] blackhole_netdev_xmit(): Dropping skb.
[ 1137.641089] blackhole_netdev_xmit(): Dropping skb.
[ 1139.097330] blackhole_netdev_xmit(): Dropping skb.
[ 1139.097405] blackhole_netdev_xmit(): Dropping skb.
[ 1139.097451] blackhole_netdev_xmit(): Dropping skb.
[ 1139.097500] blackhole_netdev_xmit(): Dropping skb.