[    2.827361] ip (294) used greatest stack depth: 12272 bytes left
[   17.971739] mpls_gso: MPLS GSO support
[  644.139438] ip (22738) used greatest stack depth: 12240 bytes left
[  717.456590] blackhole_netdev_xmit(): Dropping skb.
[  717.456645] blackhole_netdev_xmit(): Dropping skb.
[  717.456678] blackhole_netdev_xmit(): Dropping skb.
[  717.456709] blackhole_netdev_xmit(): Dropping skb.
[  993.107276] blackhole_netdev_xmit(): Dropping skb.
[  993.107345] blackhole_netdev_xmit(): Dropping skb.
[  993.107380] blackhole_netdev_xmit(): Dropping skb.
[  993.107417] blackhole_netdev_xmit(): Dropping skb.
[ 1084.351570] blackhole_netdev_xmit(): Dropping skb.
[ 1084.351633] blackhole_netdev_xmit(): Dropping skb.
[ 1084.351666] blackhole_netdev_xmit(): Dropping skb.
[ 1084.351698] blackhole_netdev_xmit(): Dropping skb.
[ 1228.412577] blackhole_netdev_xmit(): Dropping skb.
[ 1228.412635] blackhole_netdev_xmit(): Dropping skb.
[ 1228.412670] blackhole_netdev_xmit(): Dropping skb.
[ 1228.412707] blackhole_netdev_xmit(): Dropping skb.