[    2.339656] ip (292) used greatest stack depth: 12248 bytes left
[   13.952099] mpls_gso: MPLS GSO support
[ 1001.259103] blackhole_netdev_xmit(): Dropping skb.
[ 1001.259167] blackhole_netdev_xmit(): Dropping skb.
[ 1001.259238] blackhole_netdev_xmit(): Dropping skb.
[ 1001.259291] blackhole_netdev_xmit(): Dropping skb.
[ 1189.415193] blackhole_netdev_xmit(): Dropping skb.
[ 1189.415258] blackhole_netdev_xmit(): Dropping skb.
[ 1189.415296] blackhole_netdev_xmit(): Dropping skb.
[ 1189.415331] blackhole_netdev_xmit(): Dropping skb.