[    1.972125] ip (295) used greatest stack depth: 12272 bytes left
[   11.087243] mpls_gso: MPLS GSO support
[ 1189.323355] blackhole_netdev_xmit(): Dropping skb.
[ 1189.323411] blackhole_netdev_xmit(): Dropping skb.
[ 1189.323454] blackhole_netdev_xmit(): Dropping skb.
[ 1189.323487] blackhole_netdev_xmit(): Dropping skb.