[    6.761686] ip (475) used greatest stack depth: 12128 bytes left
[   16.822809] mpls_gso: MPLS GSO support
[  803.199080] blackhole_netdev_xmit(): Dropping skb.
[  803.199155] blackhole_netdev_xmit(): Dropping skb.
[  803.199187] blackhole_netdev_xmit(): Dropping skb.
[  803.199221] blackhole_netdev_xmit(): Dropping skb.