[    1.863305] ip (253) used greatest stack depth: 12240 bytes left
[   14.149420] mpls_gso: MPLS GSO support
[  990.638765] blackhole_netdev_xmit(): Dropping skb.
[  990.638931] blackhole_netdev_xmit(): Dropping skb.
[  990.638978] blackhole_netdev_xmit(): Dropping skb.
[  990.639024] blackhole_netdev_xmit(): Dropping skb.
[ 1029.248924] blackhole_netdev_xmit(): Dropping skb.
[ 1029.248998] blackhole_netdev_xmit(): Dropping skb.
[ 1029.249035] blackhole_netdev_xmit(): Dropping skb.
[ 1029.249072] blackhole_netdev_xmit(): Dropping skb.