[    2.489874] ip (282) used greatest stack depth: 12344 bytes left
[   15.463932] mpls_gso: MPLS GSO support
[  851.845422] blackhole_netdev_xmit(): Dropping skb.
[  851.845490] blackhole_netdev_xmit(): Dropping skb.
[  851.845522] blackhole_netdev_xmit(): Dropping skb.
[  851.845549] blackhole_netdev_xmit(): Dropping skb.