[    2.651273] ip (281) used greatest stack depth: 12344 bytes left
[   15.862543] mpls_gso: MPLS GSO support
[  843.408788] blackhole_netdev_xmit(): Dropping skb.
[  843.408941] blackhole_netdev_xmit(): Dropping skb.
[  843.408975] blackhole_netdev_xmit(): Dropping skb.
[  843.409008] blackhole_netdev_xmit(): Dropping skb.
[ 1216.544340] blackhole_netdev_xmit(): Dropping skb.
[ 1216.544414] blackhole_netdev_xmit(): Dropping skb.
[ 1216.544451] blackhole_netdev_xmit(): Dropping skb.
[ 1216.544489] blackhole_netdev_xmit(): Dropping skb.