[    2.066166] ip (251) used greatest stack depth: 12288 bytes left
[    2.666704] ip (282) used greatest stack depth: 12272 bytes left
[    8.348075] ip (680) used greatest stack depth: 12248 bytes left
[   15.645762] mpls_gso: MPLS GSO support
[   28.357968] ip (2689) used greatest stack depth: 12184 bytes left
[ 1047.304812] blackhole_netdev_xmit(): Dropping skb.
[ 1047.304888] blackhole_netdev_xmit(): Dropping skb.
[ 1047.304922] blackhole_netdev_xmit(): Dropping skb.
[ 1047.304956] blackhole_netdev_xmit(): Dropping skb.
[ 1085.212131] blackhole_netdev_xmit(): Dropping skb.
[ 1085.212182] blackhole_netdev_xmit(): Dropping skb.
[ 1085.212212] blackhole_netdev_xmit(): Dropping skb.
[ 1085.212238] blackhole_netdev_xmit(): Dropping skb.
[ 1160.663106] blackhole_netdev_xmit(): Dropping skb.
[ 1160.663154] blackhole_netdev_xmit(): Dropping skb.
[ 1160.663184] blackhole_netdev_xmit(): Dropping skb.
[ 1160.663209] blackhole_netdev_xmit(): Dropping skb.