[    2.552610] ip (282) used greatest stack depth: 12344 bytes left
[   13.007069] ip (1083) used greatest stack depth: 12288 bytes left
[   15.621482] mpls_gso: MPLS GSO support
[   21.160296] ip (2142) used greatest stack depth: 12192 bytes left
[ 1046.279686] blackhole_netdev_xmit(): Dropping skb.
[ 1046.279772] blackhole_netdev_xmit(): Dropping skb.
[ 1046.279809] blackhole_netdev_xmit(): Dropping skb.
[ 1046.279848] blackhole_netdev_xmit(): Dropping skb.
[ 1078.028230] blackhole_netdev_xmit(): Dropping skb.
[ 1078.028285] blackhole_netdev_xmit(): Dropping skb.
[ 1078.028317] blackhole_netdev_xmit(): Dropping skb.
[ 1078.028347] blackhole_netdev_xmit(): Dropping skb.