[    2.715222] ip (287) used greatest stack depth: 12360 bytes left
[    6.793860] ip (457) used greatest stack depth: 12344 bytes left
[   17.191321] mpls_gso: MPLS GSO support
[   23.487654] ip (2195) used greatest stack depth: 12120 bytes left
[  668.977165] blackhole_netdev_xmit(): Dropping skb.
[  668.977231] blackhole_netdev_xmit(): Dropping skb.
[  668.977278] blackhole_netdev_xmit(): Dropping skb.
[  668.977321] blackhole_netdev_xmit(): Dropping skb.
[  821.033282] blackhole_netdev_xmit(): Dropping skb.
[  821.033349] blackhole_netdev_xmit(): Dropping skb.
[  821.033392] blackhole_netdev_xmit(): Dropping skb.
[  821.033436] blackhole_netdev_xmit(): Dropping skb.
[  912.521814] blackhole_netdev_xmit(): Dropping skb.
[  912.521884] blackhole_netdev_xmit(): Dropping skb.
[  912.521937] blackhole_netdev_xmit(): Dropping skb.
[  912.521996] blackhole_netdev_xmit(): Dropping skb.
[  945.599218] blackhole_netdev_xmit(): Dropping skb.
[  945.599269] blackhole_netdev_xmit(): Dropping skb.
[  945.599300] blackhole_netdev_xmit(): Dropping skb.
[  945.599334] blackhole_netdev_xmit(): Dropping skb.