[    2.625075] ip (282) used greatest stack depth: 12344 bytes left
[   16.322690] mpls_gso: MPLS GSO support
[  724.785025] blackhole_netdev_xmit(): Dropping skb.
[  724.785093] blackhole_netdev_xmit(): Dropping skb.
[  724.785129] blackhole_netdev_xmit(): Dropping skb.
[  724.785165] blackhole_netdev_xmit(): Dropping skb.