[    1.962227] ip (295) used greatest stack depth: 12248 bytes left
[   11.299021] mpls_gso: MPLS GSO support
[ 1006.472517] blackhole_netdev_xmit(): Dropping skb.
[ 1006.472595] blackhole_netdev_xmit(): Dropping skb.
[ 1006.472660] blackhole_netdev_xmit(): Dropping skb.
[ 1006.472713] blackhole_netdev_xmit(): Dropping skb.
[ 1228.268972] blackhole_netdev_xmit(): Dropping skb.
[ 1228.269031] blackhole_netdev_xmit(): Dropping skb.
[ 1228.269082] blackhole_netdev_xmit(): Dropping skb.
[ 1228.269123] blackhole_netdev_xmit(): Dropping skb.