[    2.512565] ip (280) used greatest stack depth: 12344 bytes left
[   14.713211] mpls_gso: MPLS GSO support
[  975.875024] blackhole_netdev_xmit(): Dropping skb.
[  975.875103] blackhole_netdev_xmit(): Dropping skb.
[  975.875148] blackhole_netdev_xmit(): Dropping skb.
[  975.875188] blackhole_netdev_xmit(): Dropping skb.