[    1.623058] ip (260) used greatest stack depth: 12280 bytes left
[    2.011734] ip (294) used greatest stack depth: 12248 bytes left
[   12.968975] mpls_gso: MPLS GSO support
[  688.378687] blackhole_netdev_xmit(): Dropping skb.
[  688.378744] blackhole_netdev_xmit(): Dropping skb.
[  688.378785] blackhole_netdev_xmit(): Dropping skb.
[  688.378828] blackhole_netdev_xmit(): Dropping skb.
[ 1003.174840] blackhole_netdev_xmit(): Dropping skb.
[ 1003.174910] blackhole_netdev_xmit(): Dropping skb.
[ 1003.174960] blackhole_netdev_xmit(): Dropping skb.
[ 1003.175013] blackhole_netdev_xmit(): Dropping skb.
[ 1033.327006] blackhole_netdev_xmit(): Dropping skb.
[ 1033.327079] blackhole_netdev_xmit(): Dropping skb.
[ 1033.327123] blackhole_netdev_xmit(): Dropping skb.
[ 1033.327166] blackhole_netdev_xmit(): Dropping skb.