[    2.068783] ip (249) used greatest stack depth: 12376 bytes left
[    2.642869] ip (280) used greatest stack depth: 12344 bytes left
[   15.198740] mpls_gso: MPLS GSO support
[  873.830340] blackhole_netdev_xmit(): Dropping skb.
[  873.830406] blackhole_netdev_xmit(): Dropping skb.
[  873.830450] blackhole_netdev_xmit(): Dropping skb.
[  873.830481] blackhole_netdev_xmit(): Dropping skb.
[  925.442522] blackhole_netdev_xmit(): Dropping skb.
[  925.442594] blackhole_netdev_xmit(): Dropping skb.
[  925.442638] blackhole_netdev_xmit(): Dropping skb.
[  925.442681] blackhole_netdev_xmit(): Dropping skb.
[ 1148.260689] blackhole_netdev_xmit(): Dropping skb.
[ 1148.260764] blackhole_netdev_xmit(): Dropping skb.
[ 1148.260802] blackhole_netdev_xmit(): Dropping skb.
[ 1148.260845] blackhole_netdev_xmit(): Dropping skb.