[    1.707105] ip (263) used greatest stack depth: 12280 bytes left
[    2.066000] ip (294) used greatest stack depth: 12248 bytes left
[   11.644182] mpls_gso: MPLS GSO support
[  805.813500] blackhole_netdev_xmit(): Dropping skb.
[  805.813568] blackhole_netdev_xmit(): Dropping skb.
[  805.813610] blackhole_netdev_xmit(): Dropping skb.
[  805.813654] blackhole_netdev_xmit(): Dropping skb.