[    2.427917] ip (281) used greatest stack depth: 12344 bytes left
[   14.695502] mpls_gso: MPLS GSO support
[  851.051374] blackhole_netdev_xmit(): Dropping skb.
[  851.051442] blackhole_netdev_xmit(): Dropping skb.
[  851.051477] blackhole_netdev_xmit(): Dropping skb.
[  851.051513] blackhole_netdev_xmit(): Dropping skb.
[ 1047.544004] blackhole_netdev_xmit(): Dropping skb.
[ 1047.544073] blackhole_netdev_xmit(): Dropping skb.
[ 1047.544109] blackhole_netdev_xmit(): Dropping skb.
[ 1047.544148] blackhole_netdev_xmit(): Dropping skb.