[    2.807094] ip (288) used greatest stack depth: 12360 bytes left
[    2.860049] ip (292) used greatest stack depth: 12344 bytes left
[   17.240490] mpls_gso: MPLS GSO support
[ 1175.313528] blackhole_netdev_xmit(): Dropping skb.
[ 1175.313595] blackhole_netdev_xmit(): Dropping skb.
[ 1175.313629] blackhole_netdev_xmit(): Dropping skb.
[ 1175.313664] blackhole_netdev_xmit(): Dropping skb.