[    2.566228] ip (292) used greatest stack depth: 12272 bytes left
[   15.669419] mpls_gso: MPLS GSO support
[   16.667517] ip (1470) used greatest stack depth: 12248 bytes left
[  905.551959] blackhole_netdev_xmit(): Dropping skb.
[  905.552025] blackhole_netdev_xmit(): Dropping skb.
[  905.552062] blackhole_netdev_xmit(): Dropping skb.
[  905.552095] blackhole_netdev_xmit(): Dropping skb.
[ 1143.466438] blackhole_netdev_xmit(): Dropping skb.
[ 1143.466511] blackhole_netdev_xmit(): Dropping skb.
[ 1143.466541] blackhole_netdev_xmit(): Dropping skb.
[ 1143.466586] blackhole_netdev_xmit(): Dropping skb.
[ 1178.161887] blackhole_netdev_xmit(): Dropping skb.
[ 1178.161968] blackhole_netdev_xmit(): Dropping skb.
[ 1178.162019] blackhole_netdev_xmit(): Dropping skb.
[ 1178.162085] blackhole_netdev_xmit(): Dropping skb.