[    2.063884] ip (251) used greatest stack depth: 12256 bytes left
[   16.542242] mpls_gso: MPLS GSO support
[  888.603909] blackhole_netdev_xmit(): Dropping skb.
[  888.604039] blackhole_netdev_xmit(): Dropping skb.
[  888.604073] blackhole_netdev_xmit(): Dropping skb.
[  888.604107] blackhole_netdev_xmit(): Dropping skb.
[  889.898652] blackhole_netdev_xmit(): Dropping skb.
[  889.898713] blackhole_netdev_xmit(): Dropping skb.
[  889.898746] blackhole_netdev_xmit(): Dropping skb.
[  889.898777] blackhole_netdev_xmit(): Dropping skb.