[    2.083106] ip (252) used greatest stack depth: 12416 bytes left
[    2.620958] ip (286) used greatest stack depth: 12384 bytes left
[   15.352975] mpls_gso: MPLS GSO support
[   16.249755] ip (1453) used greatest stack depth: 12312 bytes left
[  777.429597] blackhole_netdev_xmit(): Dropping skb.
[  777.429669] blackhole_netdev_xmit(): Dropping skb.
[  777.429707] blackhole_netdev_xmit(): Dropping skb.
[  777.429750] blackhole_netdev_xmit(): Dropping skb.
[  808.007832] blackhole_netdev_xmit(): Dropping skb.
[  808.007888] blackhole_netdev_xmit(): Dropping skb.
[  808.007925] blackhole_netdev_xmit(): Dropping skb.
[  808.007960] blackhole_netdev_xmit(): Dropping skb.
[ 1052.794950] blackhole_netdev_xmit(): Dropping skb.
[ 1052.795028] blackhole_netdev_xmit(): Dropping skb.
[ 1052.795073] blackhole_netdev_xmit(): Dropping skb.
[ 1052.795119] blackhole_netdev_xmit(): Dropping skb.