[    2.212047] ip (249) used greatest stack depth: 12376 bytes left
[    2.829508] ip (280) used greatest stack depth: 12360 bytes left
[    2.883691] ip (284) used greatest stack depth: 12344 bytes left
[   16.798288] mpls_gso: MPLS GSO support
[   28.931430] ip (2465) used greatest stack depth: 12328 bytes left
[   29.707696] ip (2498) used greatest stack depth: 12192 bytes left
[  865.189115] blackhole_netdev_xmit(): Dropping skb.
[  865.189208] blackhole_netdev_xmit(): Dropping skb.
[  865.189272] blackhole_netdev_xmit(): Dropping skb.
[  865.189341] blackhole_netdev_xmit(): Dropping skb.