[    2.054163] ip (251) used greatest stack depth: 12376 bytes left
[    2.644640] ip (282) used greatest stack depth: 12344 bytes left
[   16.237647] mpls_gso: MPLS GSO support
[  963.448433] blackhole_netdev_xmit(): Dropping skb.
[  963.448541] blackhole_netdev_xmit(): Dropping skb.
[  963.448581] blackhole_netdev_xmit(): Dropping skb.
[  963.448613] blackhole_netdev_xmit(): Dropping skb.
[ 1255.763391] blackhole_netdev_xmit(): Dropping skb.
[ 1255.763455] blackhole_netdev_xmit(): Dropping skb.
[ 1255.763486] blackhole_netdev_xmit(): Dropping skb.
[ 1255.763519] blackhole_netdev_xmit(): Dropping skb.