[    1.897591] ip (249) used greatest stack depth: 12320 bytes left
[   13.858165] mpls_gso: MPLS GSO support
[  674.315813] blackhole_netdev_xmit(): Dropping skb.
[  674.315879] blackhole_netdev_xmit(): Dropping skb.
[  674.315915] blackhole_netdev_xmit(): Dropping skb.
[  674.315951] blackhole_netdev_xmit(): Dropping skb.
[  751.232808] blackhole_netdev_xmit(): Dropping skb.
[  751.232878] blackhole_netdev_xmit(): Dropping skb.
[  751.232912] blackhole_netdev_xmit(): Dropping skb.
[  751.232955] blackhole_netdev_xmit(): Dropping skb.