[    2.806837] ip (281) used greatest stack depth: 12344 bytes left
[   16.759991] mpls_gso: MPLS GSO support
[  755.286048] blackhole_netdev_xmit(): Dropping skb.
[  755.286125] blackhole_netdev_xmit(): Dropping skb.
[  755.286162] blackhole_netdev_xmit(): Dropping skb.
[  755.286206] blackhole_netdev_xmit(): Dropping skb.
[  925.174944] blackhole_netdev_xmit(): Dropping skb.
[  925.175004] blackhole_netdev_xmit(): Dropping skb.
[  925.175039] blackhole_netdev_xmit(): Dropping skb.
[  925.175075] blackhole_netdev_xmit(): Dropping skb.