[    2.597238] ip (283) used greatest stack depth: 12384 bytes left
[   16.206224] mpls_gso: MPLS GSO support
[  648.670322] ip (19651) used greatest stack depth: 12320 bytes left
[  930.391069] blackhole_netdev_xmit(): Dropping skb.
[  930.391134] blackhole_netdev_xmit(): Dropping skb.
[  930.391166] blackhole_netdev_xmit(): Dropping skb.
[  930.391200] blackhole_netdev_xmit(): Dropping skb.
[ 1161.049471] blackhole_netdev_xmit(): Dropping skb.
[ 1161.049543] blackhole_netdev_xmit(): Dropping skb.
[ 1161.049585] blackhole_netdev_xmit(): Dropping skb.
[ 1161.049621] blackhole_netdev_xmit(): Dropping skb.
[ 1228.791994] blackhole_netdev_xmit(): Dropping skb.
[ 1228.792052] blackhole_netdev_xmit(): Dropping skb.
[ 1228.792083] blackhole_netdev_xmit(): Dropping skb.
[ 1228.792123] blackhole_netdev_xmit(): Dropping skb.