[    1.627552] ip (259) used greatest stack depth: 12584 bytes left
[    2.008055] ip (293) used greatest stack depth: 12248 bytes left
[   12.701104] mpls_gso: MPLS GSO support
[ 1162.191139] blackhole_netdev_xmit(): Dropping skb.
[ 1162.191210] blackhole_netdev_xmit(): Dropping skb.
[ 1162.191252] blackhole_netdev_xmit(): Dropping skb.
[ 1162.191292] blackhole_netdev_xmit(): Dropping skb.
[ 1174.682093] blackhole_netdev_xmit(): Dropping skb.
[ 1174.682169] blackhole_netdev_xmit(): Dropping skb.
[ 1174.682213] blackhole_netdev_xmit(): Dropping skb.
[ 1174.682250] blackhole_netdev_xmit(): Dropping skb.