[    2.499050] ip (281) used greatest stack depth: 12344 bytes left
[   15.397490] mpls_gso: MPLS GSO support
[   25.005318] ip (2462) used greatest stack depth: 12328 bytes left
[  825.862961] blackhole_netdev_xmit(): Dropping skb.
[  825.863034] blackhole_netdev_xmit(): Dropping skb.
[  825.863067] blackhole_netdev_xmit(): Dropping skb.
[  825.863112] blackhole_netdev_xmit(): Dropping skb.
[  947.177340] blackhole_netdev_xmit(): Dropping skb.
[  947.177394] blackhole_netdev_xmit(): Dropping skb.
[  947.177427] blackhole_netdev_xmit(): Dropping skb.
[  947.177460] blackhole_netdev_xmit(): Dropping skb.