[    2.286929] ip (280) used greatest stack depth: 12344 bytes left
[   14.468317] mpls_gso: MPLS GSO support
[  819.439196] blackhole_netdev_xmit(): Dropping skb.
[  819.439264] blackhole_netdev_xmit(): Dropping skb.
[  819.439297] blackhole_netdev_xmit(): Dropping skb.
[  819.439330] blackhole_netdev_xmit(): Dropping skb.