[    2.840764] ip (281) used greatest stack depth: 12344 bytes left
[   13.641373] ip (1108) used greatest stack depth: 12192 bytes left
[   16.734991] mpls_gso: MPLS GSO support
[  962.180009] blackhole_netdev_xmit(): Dropping skb.
[  962.180191] blackhole_netdev_xmit(): Dropping skb.
[  962.180240] blackhole_netdev_xmit(): Dropping skb.
[  962.180276] blackhole_netdev_xmit(): Dropping skb.