[    2.022784] ip (246) used greatest stack depth: 12328 bytes left
[   10.241036] ip (808) used greatest stack depth: 12288 bytes left
[   16.848011] mpls_gso: MPLS GSO support
[  763.458643] blackhole_netdev_xmit(): Dropping skb.
[  763.458709] blackhole_netdev_xmit(): Dropping skb.
[  763.458755] blackhole_netdev_xmit(): Dropping skb.
[  763.458797] blackhole_netdev_xmit(): Dropping skb.
[  985.513694] blackhole_netdev_xmit(): Dropping skb.
[  985.513751] blackhole_netdev_xmit(): Dropping skb.
[  985.513782] blackhole_netdev_xmit(): Dropping skb.
[  985.513813] blackhole_netdev_xmit(): Dropping skb.