[    2.122123] ip (250) used greatest stack depth: 12288 bytes left
[    2.859578] ip (284) used greatest stack depth: 12272 bytes left
[   15.780228] ip (1229) used greatest stack depth: 12248 bytes left
[   17.186595] mpls_gso: MPLS GSO support
[  652.586483] ip (28917) used greatest stack depth: 12144 bytes left
[ 1032.926318] blackhole_netdev_xmit(): Dropping skb.
[ 1032.926378] blackhole_netdev_xmit(): Dropping skb.
[ 1032.926410] blackhole_netdev_xmit(): Dropping skb.
[ 1032.926447] blackhole_netdev_xmit(): Dropping skb.