[    1.911628] ip (246) used greatest stack depth: 12376 bytes left
[    2.498632] ip (280) used greatest stack depth: 12344 bytes left
[   14.967943] mpls_gso: MPLS GSO support
[  639.191480] ip (19196) used greatest stack depth: 12192 bytes left
[ 1131.428608] blackhole_netdev_xmit(): Dropping skb.
[ 1131.428686] blackhole_netdev_xmit(): Dropping skb.
[ 1131.428717] blackhole_netdev_xmit(): Dropping skb.
[ 1131.428750] blackhole_netdev_xmit(): Dropping skb.
[ 1197.361790] blackhole_netdev_xmit(): Dropping skb.
[ 1197.361854] blackhole_netdev_xmit(): Dropping skb.
[ 1197.361905] blackhole_netdev_xmit(): Dropping skb.
[ 1197.361948] blackhole_netdev_xmit(): Dropping skb.