[    1.972942] ip (252) used greatest stack depth: 12616 bytes left
[    2.498643] ip (280) used greatest stack depth: 12344 bytes left
[   15.850026] mpls_gso: MPLS GSO support
[   16.135549] ip (1368) used greatest stack depth: 12328 bytes left
[  664.905566] blackhole_netdev_xmit(): Dropping skb.
[  664.905634] blackhole_netdev_xmit(): Dropping skb.
[  664.905668] blackhole_netdev_xmit(): Dropping skb.
[  664.905702] blackhole_netdev_xmit(): Dropping skb.
[  743.535452] blackhole_netdev_xmit(): Dropping skb.
[  743.535545] blackhole_netdev_xmit(): Dropping skb.
[  743.535592] blackhole_netdev_xmit(): Dropping skb.
[  743.535638] blackhole_netdev_xmit(): Dropping skb.
[  957.324461] blackhole_netdev_xmit(): Dropping skb.
[  957.324521] blackhole_netdev_xmit(): Dropping skb.
[  957.324555] blackhole_netdev_xmit(): Dropping skb.
[  957.324589] blackhole_netdev_xmit(): Dropping skb.