[    1.566755] ip (262) used greatest stack depth: 12232 bytes left
[    1.590241] ip (265) used greatest stack depth: 12184 bytes left
[   10.992369] mpls_gso: MPLS GSO support
[  881.819075] blackhole_netdev_xmit(): Dropping skb.
[  881.819144] blackhole_netdev_xmit(): Dropping skb.
[  881.819205] blackhole_netdev_xmit(): Dropping skb.
[  881.819261] blackhole_netdev_xmit(): Dropping skb.