[    1.898685] ip (247) used greatest stack depth: 12376 bytes left
[    2.568154] ip (281) used greatest stack depth: 12344 bytes left
[   15.937721] mpls_gso: MPLS GSO support
[  863.937017] blackhole_netdev_xmit(): Dropping skb.
[  863.937109] blackhole_netdev_xmit(): Dropping skb.
[  863.937152] blackhole_netdev_xmit(): Dropping skb.
[  863.937194] blackhole_netdev_xmit(): Dropping skb.
[  873.294558] blackhole_netdev_xmit(): Dropping skb.
[  873.294634] blackhole_netdev_xmit(): Dropping skb.
[  873.294672] blackhole_netdev_xmit(): Dropping skb.
[  873.294712] blackhole_netdev_xmit(): Dropping skb.
[  935.498308] blackhole_netdev_xmit(): Dropping skb.
[  935.498367] blackhole_netdev_xmit(): Dropping skb.
[  935.498402] blackhole_netdev_xmit(): Dropping skb.
[  935.498439] blackhole_netdev_xmit(): Dropping skb.
[ 1105.936680] blackhole_netdev_xmit(): Dropping skb.
[ 1105.936753] blackhole_netdev_xmit(): Dropping skb.
[ 1105.936788] blackhole_netdev_xmit(): Dropping skb.
[ 1105.936826] blackhole_netdev_xmit(): Dropping skb.