[    2.286961] ip (293) used greatest stack depth: 12248 bytes left
[   13.064262] mpls_gso: MPLS GSO support
[  689.166574] blackhole_netdev_xmit(): Dropping skb.
[  689.166636] blackhole_netdev_xmit(): Dropping skb.
[  689.166680] blackhole_netdev_xmit(): Dropping skb.
[  689.166719] blackhole_netdev_xmit(): Dropping skb.