[    2.138550] ip (248) used greatest stack depth: 12832 bytes left
[    2.838428] ip (282) used greatest stack depth: 12344 bytes left
[   19.232520] mpls_gso: MPLS GSO support
[  335.911974] ip (30181) used greatest stack depth: 12288 bytes left
[  661.918838] blackhole_netdev_xmit(): Dropping skb.
[  661.918898] blackhole_netdev_xmit(): Dropping skb.
[  661.918932] blackhole_netdev_xmit(): Dropping skb.
[  661.918966] blackhole_netdev_xmit(): Dropping skb.
[ 1028.750894] blackhole_netdev_xmit(): Dropping skb.
[ 1028.750976] blackhole_netdev_xmit(): Dropping skb.
[ 1028.751008] blackhole_netdev_xmit(): Dropping skb.
[ 1028.751036] blackhole_netdev_xmit(): Dropping skb.