[    1.887029] ip (294) used greatest stack depth: 12264 bytes left
[   11.429509] mpls_gso: MPLS GSO support
[   12.100264] ip (1462) used greatest stack depth: 12120 bytes left
[  910.755256] blackhole_netdev_xmit(): Dropping skb.
[  910.755345] blackhole_netdev_xmit(): Dropping skb.
[  910.755383] blackhole_netdev_xmit(): Dropping skb.
[  910.755418] blackhole_netdev_xmit(): Dropping skb.
[  969.246433] blackhole_netdev_xmit(): Dropping skb.
[  969.246498] blackhole_netdev_xmit(): Dropping skb.
[  969.246553] blackhole_netdev_xmit(): Dropping skb.
[  969.246588] blackhole_netdev_xmit(): Dropping skb.
[  978.675911] blackhole_netdev_xmit(): Dropping skb.
[  978.675979] blackhole_netdev_xmit(): Dropping skb.
[  978.676028] blackhole_netdev_xmit(): Dropping skb.
[  978.676070] blackhole_netdev_xmit(): Dropping skb.
[ 1169.437719] blackhole_netdev_xmit(): Dropping skb.
[ 1169.437790] blackhole_netdev_xmit(): Dropping skb.
[ 1169.437841] blackhole_netdev_xmit(): Dropping skb.
[ 1169.437877] blackhole_netdev_xmit(): Dropping skb.