[    2.903543] ip (282) used greatest stack depth: 12344 bytes left
[   17.433184] mpls_gso: MPLS GSO support
[  818.956238] blackhole_netdev_xmit(): Dropping skb.
[  818.956321] blackhole_netdev_xmit(): Dropping skb.
[  818.956367] blackhole_netdev_xmit(): Dropping skb.
[  818.956410] blackhole_netdev_xmit(): Dropping skb.
[ 1209.701040] blackhole_netdev_xmit(): Dropping skb.
[ 1209.701106] blackhole_netdev_xmit(): Dropping skb.
[ 1209.701137] blackhole_netdev_xmit(): Dropping skb.
[ 1209.701164] blackhole_netdev_xmit(): Dropping skb.