[    2.252626] ip (295) used greatest stack depth: 12248 bytes left
[    5.365602] ip (465) used greatest stack depth: 12104 bytes left
[   12.275955] mpls_gso: MPLS GSO support
[  950.762866] blackhole_netdev_xmit(): Dropping skb.
[  950.762938] blackhole_netdev_xmit(): Dropping skb.
[  950.762988] blackhole_netdev_xmit(): Dropping skb.
[  950.763045] blackhole_netdev_xmit(): Dropping skb.
[ 1110.256112] blackhole_netdev_xmit(): Dropping skb.
[ 1110.256215] blackhole_netdev_xmit(): Dropping skb.
[ 1110.256267] blackhole_netdev_xmit(): Dropping skb.
[ 1110.256322] blackhole_netdev_xmit(): Dropping skb.