[    2.502591] ip (280) used greatest stack depth: 12360 bytes left
[    2.551620] ip (284) used greatest stack depth: 12344 bytes left
[   15.491403] mpls_gso: MPLS GSO support
[ 1148.802372] blackhole_netdev_xmit(): Dropping skb.
[ 1148.802453] blackhole_netdev_xmit(): Dropping skb.
[ 1148.802496] blackhole_netdev_xmit(): Dropping skb.
[ 1148.802540] blackhole_netdev_xmit(): Dropping skb.
[ 1172.046511] blackhole_netdev_xmit(): Dropping skb.
[ 1172.046571] blackhole_netdev_xmit(): Dropping skb.
[ 1172.046608] blackhole_netdev_xmit(): Dropping skb.
[ 1172.046656] blackhole_netdev_xmit(): Dropping skb.