[    1.968063] ip (248) used greatest stack depth: 12376 bytes left
[    2.590537] ip (282) used greatest stack depth: 12344 bytes left
[   16.272764] mpls_gso: MPLS GSO support
[  671.604250] blackhole_netdev_xmit(): Dropping skb.
[  671.604318] blackhole_netdev_xmit(): Dropping skb.
[  671.604357] blackhole_netdev_xmit(): Dropping skb.
[  671.604397] blackhole_netdev_xmit(): Dropping skb.
[  776.444151] blackhole_netdev_xmit(): Dropping skb.
[  776.444218] blackhole_netdev_xmit(): Dropping skb.
[  776.444252] blackhole_netdev_xmit(): Dropping skb.
[  776.444283] blackhole_netdev_xmit(): Dropping skb.
[  960.043003] blackhole_netdev_xmit(): Dropping skb.
[  960.043086] blackhole_netdev_xmit(): Dropping skb.
[  960.043140] blackhole_netdev_xmit(): Dropping skb.
[  960.043191] blackhole_netdev_xmit(): Dropping skb.
[ 1032.973790] blackhole_netdev_xmit(): Dropping skb.
[ 1032.973864] blackhole_netdev_xmit(): Dropping skb.
[ 1032.973905] blackhole_netdev_xmit(): Dropping skb.
[ 1032.973944] blackhole_netdev_xmit(): Dropping skb.