[    2.316296] ip (294) used greatest stack depth: 12248 bytes left
[   13.169732] mpls_gso: MPLS GSO support
[ 1068.257408] blackhole_netdev_xmit(): Dropping skb.
[ 1068.257471] blackhole_netdev_xmit(): Dropping skb.
[ 1068.257518] blackhole_netdev_xmit(): Dropping skb.
[ 1068.257559] blackhole_netdev_xmit(): Dropping skb.
[ 1104.939513] blackhole_netdev_xmit(): Dropping skb.
[ 1104.939577] blackhole_netdev_xmit(): Dropping skb.
[ 1104.939624] blackhole_netdev_xmit(): Dropping skb.
[ 1104.939662] blackhole_netdev_xmit(): Dropping skb.