[    2.076843] ip (247) used greatest stack depth: 12304 bytes left
[    2.147636] ip (253) used greatest stack depth: 12256 bytes left
[   17.923167] mpls_gso: MPLS GSO support
[  858.169180] blackhole_netdev_xmit(): Dropping skb.
[  858.169264] blackhole_netdev_xmit(): Dropping skb.
[  858.169329] blackhole_netdev_xmit(): Dropping skb.
[  858.169399] blackhole_netdev_xmit(): Dropping skb.
[  969.652509] blackhole_netdev_xmit(): Dropping skb.
[  969.652566] blackhole_netdev_xmit(): Dropping skb.
[  969.652608] blackhole_netdev_xmit(): Dropping skb.
[  969.652642] blackhole_netdev_xmit(): Dropping skb.
[ 1003.592468] blackhole_netdev_xmit(): Dropping skb.
[ 1003.592532] blackhole_netdev_xmit(): Dropping skb.
[ 1003.592571] blackhole_netdev_xmit(): Dropping skb.
[ 1003.592607] blackhole_netdev_xmit(): Dropping skb.