[  843.919230] ip (27767) used greatest stack depth: 12272 bytes left
[  850.112394] blackhole_netdev_xmit(): Dropping skb.
[  850.112453] blackhole_netdev_xmit(): Dropping skb.
[  850.112490] blackhole_netdev_xmit(): Dropping skb.
[  850.112530] blackhole_netdev_xmit(): Dropping skb.
[  978.426902] blackhole_netdev_xmit(): Dropping skb.
[  978.426966] blackhole_netdev_xmit(): Dropping skb.
[  978.426998] blackhole_netdev_xmit(): Dropping skb.
[  978.427029] blackhole_netdev_xmit(): Dropping skb.
[ 1125.695572] blackhole_netdev_xmit(): Dropping skb.
[ 1125.695638] blackhole_netdev_xmit(): Dropping skb.
[ 1125.695685] blackhole_netdev_xmit(): Dropping skb.
[ 1125.695739] blackhole_netdev_xmit(): Dropping skb.
[ 1202.689306] blackhole_netdev_xmit(): Dropping skb.
[ 1202.689367] blackhole_netdev_xmit(): Dropping skb.
[ 1202.689401] blackhole_netdev_xmit(): Dropping skb.
[ 1202.689437] blackhole_netdev_xmit(): Dropping skb.
[ 1217.594870] blackhole_netdev_xmit(): Dropping skb.
[ 1217.594932] blackhole_netdev_xmit(): Dropping skb.
[ 1217.594966] blackhole_netdev_xmit(): Dropping skb.
[ 1217.595003] blackhole_netdev_xmit(): Dropping skb.
[ 1219.031441] blackhole_netdev_xmit(): Dropping skb.
[ 1219.031499] blackhole_netdev_xmit(): Dropping skb.
[ 1219.031543] blackhole_netdev_xmit(): Dropping skb.
[ 1219.031577] blackhole_netdev_xmit(): Dropping skb.
[ 1266.899012] blackhole_netdev_xmit(): Dropping skb.
[ 1266.899071] blackhole_netdev_xmit(): Dropping skb.
[ 1266.899105] blackhole_netdev_xmit(): Dropping skb.
[ 1266.899146] blackhole_netdev_xmit(): Dropping skb.
[ 1301.420826] blackhole_netdev_xmit(): Dropping skb.
[ 1301.420889] blackhole_netdev_xmit(): Dropping skb.
[ 1301.420925] blackhole_netdev_xmit(): Dropping skb.
[ 1301.420970] blackhole_netdev_xmit(): Dropping skb.
[ 1312.263700] blackhole_netdev_xmit(): Dropping skb.
[ 1312.263761] blackhole_netdev_xmit(): Dropping skb.
[ 1312.263799] blackhole_netdev_xmit(): Dropping skb.
[ 1312.263835] blackhole_netdev_xmit(): Dropping skb.
[ 1316.297487] blackhole_netdev_xmit(): Dropping skb.
[ 1316.297550] blackhole_netdev_xmit(): Dropping skb.
[ 1316.297581] blackhole_netdev_xmit(): Dropping skb.
[ 1316.297608] blackhole_netdev_xmit(): Dropping skb.
[ 1331.239576] blackhole_netdev_xmit(): Dropping skb.
[ 1331.239637] blackhole_netdev_xmit(): Dropping skb.
[ 1331.239673] blackhole_netdev_xmit(): Dropping skb.
[ 1331.239708] blackhole_netdev_xmit(): Dropping skb.
[ 1393.395664] blackhole_netdev_xmit(): Dropping skb.
[ 1393.395725] blackhole_netdev_xmit(): Dropping skb.
[ 1393.395758] blackhole_netdev_xmit(): Dropping skb.
[ 1393.395792] blackhole_netdev_xmit(): Dropping skb.