[    2.188194] ip (292) used greatest stack depth: 12272 bytes left
[   12.539021] mpls_gso: MPLS GSO support
[  994.853200] blackhole_netdev_xmit(): Dropping skb.
[  994.853260] blackhole_netdev_xmit(): Dropping skb.
[  994.853301] blackhole_netdev_xmit(): Dropping skb.
[  994.853338] blackhole_netdev_xmit(): Dropping skb.