[    2.470397] ip (286) used greatest stack depth: 12384 bytes left
[   15.695949] mpls_gso: MPLS GSO support
[   16.601158] ip (1449) used greatest stack depth: 12304 bytes left
[  743.317739] blackhole_netdev_xmit(): Dropping skb.
[  743.317824] blackhole_netdev_xmit(): Dropping skb.
[  743.317868] blackhole_netdev_xmit(): Dropping skb.
[  743.317910] blackhole_netdev_xmit(): Dropping skb.