[    2.648943] ip (282) used greatest stack depth: 12360 bytes left
[    2.704219] ip (286) used greatest stack depth: 12344 bytes left
[    8.712664] ip (679) used greatest stack depth: 12160 bytes left
[   16.013779] mpls_gso: MPLS GSO support
[ 1100.874083] blackhole_netdev_xmit(): Dropping skb.
[ 1100.874158] blackhole_netdev_xmit(): Dropping skb.
[ 1100.874190] blackhole_netdev_xmit(): Dropping skb.
[ 1100.874223] blackhole_netdev_xmit(): Dropping skb.