[    1.934752] ip (292) used greatest stack depth: 12248 bytes left
[   11.206341] mpls_gso: MPLS GSO support
[  736.863936] blackhole_netdev_xmit(): Dropping skb.
[  736.864007] blackhole_netdev_xmit(): Dropping skb.
[  736.864055] blackhole_netdev_xmit(): Dropping skb.
[  736.864101] blackhole_netdev_xmit(): Dropping skb.
[ 1176.494604] blackhole_netdev_xmit(): Dropping skb.
[ 1176.494678] blackhole_netdev_xmit(): Dropping skb.
[ 1176.494736] blackhole_netdev_xmit(): Dropping skb.
[ 1176.494776] blackhole_netdev_xmit(): Dropping skb.