[    2.551854] ip (280) used greatest stack depth: 12360 bytes left
[    2.602380] ip (284) used greatest stack depth: 12344 bytes left
[    7.914058] ip (653) used greatest stack depth: 12192 bytes left
[  955.775286] blackhole_netdev_xmit(): Dropping skb.
[  955.775368] blackhole_netdev_xmit(): Dropping skb.
[  955.775414] blackhole_netdev_xmit(): Dropping skb.
[  955.775454] blackhole_netdev_xmit(): Dropping skb.
[  957.649356] blackhole_netdev_xmit(): Dropping skb.
[  957.649415] blackhole_netdev_xmit(): Dropping skb.
[  957.649450] blackhole_netdev_xmit(): Dropping skb.
[  957.649483] blackhole_netdev_xmit(): Dropping skb.
[ 1009.534161] blackhole_netdev_xmit(): Dropping skb.
[ 1009.534234] blackhole_netdev_xmit(): Dropping skb.
[ 1009.534268] blackhole_netdev_xmit(): Dropping skb.
[ 1009.534300] blackhole_netdev_xmit(): Dropping skb.
[ 1033.440373] blackhole_netdev_xmit(): Dropping skb.
[ 1033.440442] blackhole_netdev_xmit(): Dropping skb.
[ 1033.440492] blackhole_netdev_xmit(): Dropping skb.
[ 1033.440549] blackhole_netdev_xmit(): Dropping skb.
[ 1069.527878] blackhole_netdev_xmit(): Dropping skb.
[ 1069.527954] blackhole_netdev_xmit(): Dropping skb.
[ 1069.527995] blackhole_netdev_xmit(): Dropping skb.
[ 1069.528030] blackhole_netdev_xmit(): Dropping skb.
[ 1122.120045] blackhole_netdev_xmit(): Dropping skb.
[ 1122.120113] blackhole_netdev_xmit(): Dropping skb.
[ 1122.120147] blackhole_netdev_xmit(): Dropping skb.
[ 1122.120179] blackhole_netdev_xmit(): Dropping skb.
[ 1195.086494] blackhole_netdev_xmit(): Dropping skb.
[ 1195.086553] blackhole_netdev_xmit(): Dropping skb.
[ 1195.086596] blackhole_netdev_xmit(): Dropping skb.
[ 1195.086629] blackhole_netdev_xmit(): Dropping skb.
[ 1214.323705] blackhole_netdev_xmit(): Dropping skb.
[ 1214.323761] blackhole_netdev_xmit(): Dropping skb.
[ 1214.323794] blackhole_netdev_xmit(): Dropping skb.
[ 1214.323839] blackhole_netdev_xmit(): Dropping skb.
[ 1216.222527] blackhole_netdev_xmit(): Dropping skb.
[ 1216.222597] blackhole_netdev_xmit(): Dropping skb.
[ 1216.222641] blackhole_netdev_xmit(): Dropping skb.
[ 1216.222678] blackhole_netdev_xmit(): Dropping skb.
[ 1219.103253] blackhole_netdev_xmit(): Dropping skb.
[ 1219.103310] blackhole_netdev_xmit(): Dropping skb.
[ 1220.182763] net_ratelimit: 2 callbacks suppressed
[ 1220.182775] blackhole_netdev_xmit(): Dropping skb.
[ 1220.182862] blackhole_netdev_xmit(): Dropping skb.
[ 1220.182904] blackhole_netdev_xmit(): Dropping skb.
[ 1220.182942] blackhole_netdev_xmit(): Dropping skb.
[ 1224.250932] blackhole_netdev_xmit(): Dropping skb.
[ 1224.250991] blackhole_netdev_xmit(): Dropping skb.
[ 1224.251026] blackhole_netdev_xmit(): Dropping skb.
[ 1224.251052] blackhole_netdev_xmit(): Dropping skb.
[ 1231.162575] blackhole_netdev_xmit(): Dropping skb.
[ 1231.162643] blackhole_netdev_xmit(): Dropping skb.
[ 1231.162683] blackhole_netdev_xmit(): Dropping skb.
[ 1231.162726] blackhole_netdev_xmit(): Dropping skb.