[    9.951437] ip (267) used greatest stack depth: 12280 bytes left
[   10.259564] ip (295) used greatest stack depth: 12248 bytes left
[   18.970900] mpls_gso: MPLS GSO support
[  975.146749] blackhole_netdev_xmit(): Dropping skb.
[  975.146806] blackhole_netdev_xmit(): Dropping skb.
[  975.146844] blackhole_netdev_xmit(): Dropping skb.
[  975.146877] blackhole_netdev_xmit(): Dropping skb.