[    1.840566] ip (294) used greatest stack depth: 12248 bytes left
[   10.445766] mpls_gso: MPLS GSO support
[  828.772402] blackhole_netdev_xmit(): Dropping skb.
[  828.772470] blackhole_netdev_xmit(): Dropping skb.
[  828.772519] blackhole_netdev_xmit(): Dropping skb.
[  828.772558] blackhole_netdev_xmit(): Dropping skb.