[    2.337307] ip (276) used greatest stack depth: 12320 bytes left
[   20.224033] ip (2334) used greatest stack depth: 12304 bytes left
[  644.283008] blackhole_netdev_xmit(): Dropping skb.
[  644.283070] blackhole_netdev_xmit(): Dropping skb.
[  644.283101] blackhole_netdev_xmit(): Dropping skb.
[  644.283137] blackhole_netdev_xmit(): Dropping skb.
[  659.077096] blackhole_netdev_xmit(): Dropping skb.
[  659.077148] blackhole_netdev_xmit(): Dropping skb.
[  659.077178] blackhole_netdev_xmit(): Dropping skb.
[  659.077219] blackhole_netdev_xmit(): Dropping skb.
[  670.123984] blackhole_netdev_xmit(): Dropping skb.
[  670.124033] blackhole_netdev_xmit(): Dropping skb.
[  670.124063] blackhole_netdev_xmit(): Dropping skb.
[  670.124090] blackhole_netdev_xmit(): Dropping skb.
[  734.055308] blackhole_netdev_xmit(): Dropping skb.
[  734.055370] blackhole_netdev_xmit(): Dropping skb.
[  734.055411] blackhole_netdev_xmit(): Dropping skb.
[  734.055448] blackhole_netdev_xmit(): Dropping skb.
[  743.610544] blackhole_netdev_xmit(): Dropping skb.
[  743.610620] blackhole_netdev_xmit(): Dropping skb.
[  743.610664] blackhole_netdev_xmit(): Dropping skb.
[  743.610711] blackhole_netdev_xmit(): Dropping skb.
[  746.210666] blackhole_netdev_xmit(): Dropping skb.
[  746.210720] blackhole_netdev_xmit(): Dropping skb.
[  746.210750] blackhole_netdev_xmit(): Dropping skb.
[  746.210777] blackhole_netdev_xmit(): Dropping skb.
[  766.536412] blackhole_netdev_xmit(): Dropping skb.
[  766.536474] blackhole_netdev_xmit(): Dropping skb.
[  766.536509] blackhole_netdev_xmit(): Dropping skb.
[  766.536557] blackhole_netdev_xmit(): Dropping skb.
[  796.956273] blackhole_netdev_xmit(): Dropping skb.
[  796.956335] blackhole_netdev_xmit(): Dropping skb.
[  796.956374] blackhole_netdev_xmit(): Dropping skb.
[  796.956414] blackhole_netdev_xmit(): Dropping skb.
[ 1166.569047] blackhole_netdev_xmit(): Dropping skb.
[ 1166.569112] blackhole_netdev_xmit(): Dropping skb.
[ 1166.569145] blackhole_netdev_xmit(): Dropping skb.
[ 1166.569180] blackhole_netdev_xmit(): Dropping skb.
[ 1168.137442] blackhole_netdev_xmit(): Dropping skb.
[ 1168.137500] blackhole_netdev_xmit(): Dropping skb.
[ 1168.137537] blackhole_netdev_xmit(): Dropping skb.
[ 1168.137580] blackhole_netdev_xmit(): Dropping skb.
[ 1171.569292] blackhole_netdev_xmit(): Dropping skb.
[ 1171.569357] blackhole_netdev_xmit(): Dropping skb.
[ 1171.569405] blackhole_netdev_xmit(): Dropping skb.
[ 1171.569445] blackhole_netdev_xmit(): Dropping skb.
[ 1179.951600] blackhole_netdev_xmit(): Dropping skb.
[ 1179.951649] blackhole_netdev_xmit(): Dropping skb.
[ 1179.951679] blackhole_netdev_xmit(): Dropping skb.
[ 1179.951710] blackhole_netdev_xmit(): Dropping skb.
[ 1205.732768] blackhole_netdev_xmit(): Dropping skb.
[ 1205.732826] blackhole_netdev_xmit(): Dropping skb.
[ 1205.732861] blackhole_netdev_xmit(): Dropping skb.
[ 1205.732897] blackhole_netdev_xmit(): Dropping skb.
[ 1217.075832] blackhole_netdev_xmit(): Dropping skb.
[ 1217.075903] blackhole_netdev_xmit(): Dropping skb.
[ 1217.075946] blackhole_netdev_xmit(): Dropping skb.
[ 1217.075996] blackhole_netdev_xmit(): Dropping skb.