[    2.425410] ip (281) used greatest stack depth: 12360 bytes left
[    2.473680] ip (285) used greatest stack depth: 12344 bytes left
[   15.763873] mpls_gso: MPLS GSO support
[  724.752373] blackhole_netdev_xmit(): Dropping skb.
[  724.752442] blackhole_netdev_xmit(): Dropping skb.
[  724.752477] blackhole_netdev_xmit(): Dropping skb.
[  724.752515] blackhole_netdev_xmit(): Dropping skb.
[  950.983992] blackhole_netdev_xmit(): Dropping skb.
[  950.984063] blackhole_netdev_xmit(): Dropping skb.
[  950.984107] blackhole_netdev_xmit(): Dropping skb.
[  950.984152] blackhole_netdev_xmit(): Dropping skb.
[ 1213.142947] blackhole_netdev_xmit(): Dropping skb.
[ 1213.143026] blackhole_netdev_xmit(): Dropping skb.
[ 1213.143067] blackhole_netdev_xmit(): Dropping skb.
[ 1213.143110] blackhole_netdev_xmit(): Dropping skb.