[    1.904819] ip (294) used greatest stack depth: 12248 bytes left
[   11.729311] mpls_gso: MPLS GSO support
[  837.285158] blackhole_netdev_xmit(): Dropping skb.
[  837.285251] blackhole_netdev_xmit(): Dropping skb.
[  837.285320] blackhole_netdev_xmit(): Dropping skb.
[  837.285366] blackhole_netdev_xmit(): Dropping skb.
[  896.370972] blackhole_netdev_xmit(): Dropping skb.
[  896.371093] blackhole_netdev_xmit(): Dropping skb.
[  896.371154] blackhole_netdev_xmit(): Dropping skb.
[  896.371212] blackhole_netdev_xmit(): Dropping skb.
[  929.964190] blackhole_netdev_xmit(): Dropping skb.
[  929.964248] blackhole_netdev_xmit(): Dropping skb.
[  929.964303] blackhole_netdev_xmit(): Dropping skb.
[  929.964338] blackhole_netdev_xmit(): Dropping skb.