[    1.833094] ip (260) used greatest stack depth: 12280 bytes left
[    2.346360] ip (294) used greatest stack depth: 12248 bytes left
[   13.842391] mpls_gso: MPLS GSO support
[ 1050.929696] blackhole_netdev_xmit(): Dropping skb.
[ 1050.929809] blackhole_netdev_xmit(): Dropping skb.
[ 1050.929855] blackhole_netdev_xmit(): Dropping skb.
[ 1050.929902] blackhole_netdev_xmit(): Dropping skb.