[    2.080382] ip (246) used greatest stack depth: 12376 bytes left
[    2.751469] ip (280) used greatest stack depth: 12344 bytes left
[   13.899905] ip (1112) used greatest stack depth: 12288 bytes left
[   17.038760] mpls_gso: MPLS GSO support
[ 1148.241361] blackhole_netdev_xmit(): Dropping skb.
[ 1148.241442] blackhole_netdev_xmit(): Dropping skb.
[ 1148.241485] blackhole_netdev_xmit(): Dropping skb.
[ 1148.241525] blackhole_netdev_xmit(): Dropping skb.
[ 1199.776331] blackhole_netdev_xmit(): Dropping skb.
[ 1199.776414] blackhole_netdev_xmit(): Dropping skb.
[ 1199.776467] blackhole_netdev_xmit(): Dropping skb.
[ 1199.776520] blackhole_netdev_xmit(): Dropping skb.