[    2.540497] ip (282) used greatest stack depth: 12272 bytes left
[   12.797993] ip (1112) used greatest stack depth: 12248 bytes left
[   15.383380] mpls_gso: MPLS GSO support
[  715.170311] blackhole_netdev_xmit(): Dropping skb.
[  715.170392] blackhole_netdev_xmit(): Dropping skb.
[  715.170438] blackhole_netdev_xmit(): Dropping skb.
[  715.170480] blackhole_netdev_xmit(): Dropping skb.