[    2.612460] ip (282) used greatest stack depth: 12360 bytes left
[    2.827636] ip (296) used greatest stack depth: 12344 bytes left
[    9.503131] ip (805) used greatest stack depth: 12192 bytes left
[   15.015381] mpls_gso: MPLS GSO support
[  706.759391] blackhole_netdev_xmit(): Dropping skb.
[  706.759469] blackhole_netdev_xmit(): Dropping skb.
[  706.759515] blackhole_netdev_xmit(): Dropping skb.
[  706.759558] blackhole_netdev_xmit(): Dropping skb.
[  802.111233] blackhole_netdev_xmit(): Dropping skb.
[  802.111288] blackhole_netdev_xmit(): Dropping skb.
[  802.111330] blackhole_netdev_xmit(): Dropping skb.
[  802.111370] blackhole_netdev_xmit(): Dropping skb.
[  996.626361] blackhole_netdev_xmit(): Dropping skb.
[  996.626453] blackhole_netdev_xmit(): Dropping skb.
[  996.626507] blackhole_netdev_xmit(): Dropping skb.
[  996.626557] blackhole_netdev_xmit(): Dropping skb.