[    2.018160] ip (245) used greatest stack depth: 12352 bytes left
[    2.631689] ip (276) used greatest stack depth: 12320 bytes left
[    8.045577] ip (649) used greatest stack depth: 12160 bytes left
[  739.235607] blackhole_netdev_xmit(): Dropping skb.
[  739.235731] blackhole_netdev_xmit(): Dropping skb.
[  739.235774] blackhole_netdev_xmit(): Dropping skb.
[  739.235820] blackhole_netdev_xmit(): Dropping skb.
[  759.007059] blackhole_netdev_xmit(): Dropping skb.
[  759.007115] blackhole_netdev_xmit(): Dropping skb.
[  759.007148] blackhole_netdev_xmit(): Dropping skb.
[  759.007182] blackhole_netdev_xmit(): Dropping skb.
[  776.699343] blackhole_netdev_xmit(): Dropping skb.
[  776.699418] blackhole_netdev_xmit(): Dropping skb.
[  776.699477] blackhole_netdev_xmit(): Dropping skb.
[  776.699543] blackhole_netdev_xmit(): Dropping skb.
[  782.093574] blackhole_netdev_xmit(): Dropping skb.
[  782.093648] blackhole_netdev_xmit(): Dropping skb.
[  782.093700] blackhole_netdev_xmit(): Dropping skb.
[  782.093747] blackhole_netdev_xmit(): Dropping skb.
[  790.684085] blackhole_netdev_xmit(): Dropping skb.
[  790.684159] blackhole_netdev_xmit(): Dropping skb.
[  790.684214] blackhole_netdev_xmit(): Dropping skb.
[  790.684265] blackhole_netdev_xmit(): Dropping skb.
[  795.024594] blackhole_netdev_xmit(): Dropping skb.
[  795.024652] blackhole_netdev_xmit(): Dropping skb.
[  795.024685] blackhole_netdev_xmit(): Dropping skb.
[  795.024722] blackhole_netdev_xmit(): Dropping skb.
[  936.961634] blackhole_netdev_xmit(): Dropping skb.
[  936.961709] blackhole_netdev_xmit(): Dropping skb.
[  936.961744] blackhole_netdev_xmit(): Dropping skb.
[  936.961782] blackhole_netdev_xmit(): Dropping skb.
[ 1076.875625] blackhole_netdev_xmit(): Dropping skb.
[ 1076.875691] blackhole_netdev_xmit(): Dropping skb.
[ 1076.875733] blackhole_netdev_xmit(): Dropping skb.
[ 1076.875781] blackhole_netdev_xmit(): Dropping skb.
[ 1083.660162] blackhole_netdev_xmit(): Dropping skb.
[ 1083.660235] blackhole_netdev_xmit(): Dropping skb.
[ 1083.660283] blackhole_netdev_xmit(): Dropping skb.
[ 1083.660333] blackhole_netdev_xmit(): Dropping skb.
[ 1085.911199] blackhole_netdev_xmit(): Dropping skb.
[ 1085.911252] blackhole_netdev_xmit(): Dropping skb.
[ 1085.911285] blackhole_netdev_xmit(): Dropping skb.
[ 1085.911322] blackhole_netdev_xmit(): Dropping skb.
[ 1131.709093] blackhole_netdev_xmit(): Dropping skb.
[ 1131.709158] blackhole_netdev_xmit(): Dropping skb.
[ 1131.709193] blackhole_netdev_xmit(): Dropping skb.
[ 1131.709229] blackhole_netdev_xmit(): Dropping skb.
[ 1250.087841] blackhole_netdev_xmit(): Dropping skb.
[ 1250.087917] blackhole_netdev_xmit(): Dropping skb.
[ 1250.087957] blackhole_netdev_xmit(): Dropping skb.
[ 1250.087997] blackhole_netdev_xmit(): Dropping skb.
[ 1251.433508] blackhole_netdev_xmit(): Dropping skb.
[ 1251.433569] blackhole_netdev_xmit(): Dropping skb.
[ 1251.433604] blackhole_netdev_xmit(): Dropping skb.
[ 1251.433638] blackhole_netdev_xmit(): Dropping skb.