[    2.424155] ip (282) used greatest stack depth: 12344 bytes left
[    9.743208] ip (819) used greatest stack depth: 12192 bytes left
[   15.482289] mpls_gso: MPLS GSO support
[  860.800498] blackhole_netdev_xmit(): Dropping skb.
[  860.800569] blackhole_netdev_xmit(): Dropping skb.
[  860.800604] blackhole_netdev_xmit(): Dropping skb.
[  860.800640] blackhole_netdev_xmit(): Dropping skb.
[ 1066.267549] blackhole_netdev_xmit(): Dropping skb.
[ 1066.267622] blackhole_netdev_xmit(): Dropping skb.
[ 1066.267658] blackhole_netdev_xmit(): Dropping skb.
[ 1066.267702] blackhole_netdev_xmit(): Dropping skb.