[    1.969384] ip (252) used greatest stack depth: 12328 bytes left
[   15.286820] mpls_gso: MPLS GSO support
[   25.524404] ip (2438) used greatest stack depth: 12248 bytes left
[  661.177244] blackhole_netdev_xmit(): Dropping skb.
[  661.177315] blackhole_netdev_xmit(): Dropping skb.
[  661.177363] blackhole_netdev_xmit(): Dropping skb.
[  661.177402] blackhole_netdev_xmit(): Dropping skb.
[  759.165677] blackhole_netdev_xmit(): Dropping skb.
[  759.165746] blackhole_netdev_xmit(): Dropping skb.
[  759.165780] blackhole_netdev_xmit(): Dropping skb.
[  759.165807] blackhole_netdev_xmit(): Dropping skb.
[ 1054.608180] blackhole_netdev_xmit(): Dropping skb.
[ 1054.608252] blackhole_netdev_xmit(): Dropping skb.
[ 1054.608283] blackhole_netdev_xmit(): Dropping skb.
[ 1054.608317] blackhole_netdev_xmit(): Dropping skb.
[ 1178.637547] blackhole_netdev_xmit(): Dropping skb.
[ 1178.637608] blackhole_netdev_xmit(): Dropping skb.
[ 1178.637645] blackhole_netdev_xmit(): Dropping skb.
[ 1178.637679] blackhole_netdev_xmit(): Dropping skb.