[    1.748334] ip (293) used greatest stack depth: 12248 bytes left
[   11.167102] mpls_gso: MPLS GSO support
[  719.566072] blackhole_netdev_xmit(): Dropping skb.
[  719.566127] blackhole_netdev_xmit(): Dropping skb.
[  719.566177] blackhole_netdev_xmit(): Dropping skb.
[  719.566212] blackhole_netdev_xmit(): Dropping skb.