[    2.481483] ip (282) used greatest stack depth: 12360 bytes left
[   14.502454] ip (1212) used greatest stack depth: 12344 bytes left
[   16.016867] mpls_gso: MPLS GSO support
[  638.390815] ip (31180) used greatest stack depth: 12288 bytes left
[  819.789970] blackhole_netdev_xmit(): Dropping skb.
[  819.790031] blackhole_netdev_xmit(): Dropping skb.
[  819.790067] blackhole_netdev_xmit(): Dropping skb.
[  819.790101] blackhole_netdev_xmit(): Dropping skb.
[  844.165186] blackhole_netdev_xmit(): Dropping skb.
[  844.165242] blackhole_netdev_xmit(): Dropping skb.
[  844.165279] blackhole_netdev_xmit(): Dropping skb.
[  844.165311] blackhole_netdev_xmit(): Dropping skb.
[ 1128.410662] blackhole_netdev_xmit(): Dropping skb.
[ 1128.410761] blackhole_netdev_xmit(): Dropping skb.
[ 1128.410817] blackhole_netdev_xmit(): Dropping skb.
[ 1128.410864] blackhole_netdev_xmit(): Dropping skb.