[    2.701446] ip (282) used greatest stack depth: 12360 bytes left
[    2.893492] ip (296) used greatest stack depth: 12344 bytes left
[   16.213800] mpls_gso: MPLS GSO support
[  877.768093] blackhole_netdev_xmit(): Dropping skb.
[  877.768165] blackhole_netdev_xmit(): Dropping skb.
[  877.768204] blackhole_netdev_xmit(): Dropping skb.
[  877.768244] blackhole_netdev_xmit(): Dropping skb.
[ 1034.680186] blackhole_netdev_xmit(): Dropping skb.
[ 1034.680255] blackhole_netdev_xmit(): Dropping skb.
[ 1034.680296] blackhole_netdev_xmit(): Dropping skb.
[ 1034.680329] blackhole_netdev_xmit(): Dropping skb.