[    3.053806] ip (284) used greatest stack depth: 12272 bytes left
[   20.488395] mpls_gso: MPLS GSO support
[  931.904117] blackhole_netdev_xmit(): Dropping skb.
[  931.904192] blackhole_netdev_xmit(): Dropping skb.
[  931.904236] blackhole_netdev_xmit(): Dropping skb.
[  931.904274] blackhole_netdev_xmit(): Dropping skb.
[ 1151.126685] blackhole_netdev_xmit(): Dropping skb.
[ 1151.126754] blackhole_netdev_xmit(): Dropping skb.
[ 1151.126787] blackhole_netdev_xmit(): Dropping skb.
[ 1151.126821] blackhole_netdev_xmit(): Dropping skb.