[    2.304938] ip (243) used greatest stack depth: 12384 bytes left
[    3.131247] ip (277) used greatest stack depth: 12368 bytes left
[    3.199009] ip (281) used greatest stack depth: 12352 bytes left
[  640.169441] ip (21489) used greatest stack depth: 12312 bytes left
[  959.737580] blackhole_netdev_xmit(): Dropping skb.
[  959.737649] blackhole_netdev_xmit(): Dropping skb.
[  959.737694] blackhole_netdev_xmit(): Dropping skb.
[  959.737736] blackhole_netdev_xmit(): Dropping skb.
[  961.982770] blackhole_netdev_xmit(): Dropping skb.
[  961.982859] blackhole_netdev_xmit(): Dropping skb.
[  961.982918] blackhole_netdev_xmit(): Dropping skb.
[  961.982974] blackhole_netdev_xmit(): Dropping skb.
[  975.173909] blackhole_netdev_xmit(): Dropping skb.
[  975.173979] blackhole_netdev_xmit(): Dropping skb.
[  975.174036] blackhole_netdev_xmit(): Dropping skb.
[  975.174090] blackhole_netdev_xmit(): Dropping skb.
[  990.041906] blackhole_netdev_xmit(): Dropping skb.
[  990.041966] blackhole_netdev_xmit(): Dropping skb.
[  990.042000] blackhole_netdev_xmit(): Dropping skb.
[  990.042033] blackhole_netdev_xmit(): Dropping skb.
[  996.202743] blackhole_netdev_xmit(): Dropping skb.
[  996.202812] blackhole_netdev_xmit(): Dropping skb.
[  996.202883] blackhole_netdev_xmit(): Dropping skb.
[  996.202934] blackhole_netdev_xmit(): Dropping skb.
[ 1001.495727] blackhole_netdev_xmit(): Dropping skb.
[ 1001.495782] blackhole_netdev_xmit(): Dropping skb.
[ 1001.495813] blackhole_netdev_xmit(): Dropping skb.
[ 1001.495840] blackhole_netdev_xmit(): Dropping skb.
[ 1035.729613] blackhole_netdev_xmit(): Dropping skb.
[ 1035.729672] blackhole_netdev_xmit(): Dropping skb.
[ 1035.729705] blackhole_netdev_xmit(): Dropping skb.
[ 1035.729739] blackhole_netdev_xmit(): Dropping skb.
[ 1082.884016] blackhole_netdev_xmit(): Dropping skb.
[ 1082.884084] blackhole_netdev_xmit(): Dropping skb.
[ 1082.884117] blackhole_netdev_xmit(): Dropping skb.
[ 1082.884153] blackhole_netdev_xmit(): Dropping skb.
[ 1099.440631] blackhole_netdev_xmit(): Dropping skb.
[ 1099.440691] blackhole_netdev_xmit(): Dropping skb.
[ 1099.440728] blackhole_netdev_xmit(): Dropping skb.
[ 1099.440763] blackhole_netdev_xmit(): Dropping skb.
[ 1110.624634] blackhole_netdev_xmit(): Dropping skb.
[ 1110.624714] blackhole_netdev_xmit(): Dropping skb.
[ 1110.624758] blackhole_netdev_xmit(): Dropping skb.
[ 1110.624801] blackhole_netdev_xmit(): Dropping skb.
[ 1114.984880] blackhole_netdev_xmit(): Dropping skb.
[ 1114.984961] blackhole_netdev_xmit(): Dropping skb.
[ 1114.985021] blackhole_netdev_xmit(): Dropping skb.
[ 1114.985085] blackhole_netdev_xmit(): Dropping skb.
[ 1125.935778] blackhole_netdev_xmit(): Dropping skb.
[ 1125.935828] blackhole_netdev_xmit(): Dropping skb.
[ 1125.935860] blackhole_netdev_xmit(): Dropping skb.
[ 1125.935903] blackhole_netdev_xmit(): Dropping skb.
[ 1255.820505] blackhole_netdev_xmit(): Dropping skb.
[ 1255.820563] blackhole_netdev_xmit(): Dropping skb.
[ 1255.820595] blackhole_netdev_xmit(): Dropping skb.
[ 1255.820627] blackhole_netdev_xmit(): Dropping skb.