[    1.953913] ip (244) used greatest stack depth: 12376 bytes left
[    2.542518] ip (278) used greatest stack depth: 12344 bytes left
[   15.416166] mpls_gso: MPLS GSO support
[ 1006.780046] blackhole_netdev_xmit(): Dropping skb.
[ 1006.780118] blackhole_netdev_xmit(): Dropping skb.
[ 1006.780155] blackhole_netdev_xmit(): Dropping skb.
[ 1006.780204] blackhole_netdev_xmit(): Dropping skb.
[ 1189.673512] blackhole_netdev_xmit(): Dropping skb.
[ 1189.673585] blackhole_netdev_xmit(): Dropping skb.
[ 1189.673629] blackhole_netdev_xmit(): Dropping skb.
[ 1189.673672] blackhole_netdev_xmit(): Dropping skb.