[    1.894343] ip (246) used greatest stack depth: 12376 bytes left
[    2.510589] ip (280) used greatest stack depth: 12360 bytes left
[    2.696304] ip (294) used greatest stack depth: 12344 bytes left
[   17.390220] mpls_gso: MPLS GSO support
[  684.013469] blackhole_netdev_xmit(): Dropping skb.
[  684.013532] blackhole_netdev_xmit(): Dropping skb.
[  684.013572] blackhole_netdev_xmit(): Dropping skb.
[  684.013601] blackhole_netdev_xmit(): Dropping skb.
[  760.761962] blackhole_netdev_xmit(): Dropping skb.
[  760.762027] blackhole_netdev_xmit(): Dropping skb.
[  760.762061] blackhole_netdev_xmit(): Dropping skb.
[  760.762096] blackhole_netdev_xmit(): Dropping skb.
[ 1114.563345] blackhole_netdev_xmit(): Dropping skb.
[ 1114.563406] blackhole_netdev_xmit(): Dropping skb.
[ 1114.563449] blackhole_netdev_xmit(): Dropping skb.
[ 1114.563488] blackhole_netdev_xmit(): Dropping skb.
[ 1193.551637] blackhole_netdev_xmit(): Dropping skb.
[ 1193.551700] blackhole_netdev_xmit(): Dropping skb.
[ 1193.551734] blackhole_netdev_xmit(): Dropping skb.
[ 1193.551777] blackhole_netdev_xmit(): Dropping skb.