[    2.777570] ip (280) used greatest stack depth: 12344 bytes left
[   15.396967] mpls_gso: MPLS GSO support
[  697.121438] blackhole_netdev_xmit(): Dropping skb.
[  697.121502] blackhole_netdev_xmit(): Dropping skb.
[  697.121539] blackhole_netdev_xmit(): Dropping skb.
[  697.121574] blackhole_netdev_xmit(): Dropping skb.
[  866.781586] blackhole_netdev_xmit(): Dropping skb.
[  866.781648] blackhole_netdev_xmit(): Dropping skb.
[  866.781684] blackhole_netdev_xmit(): Dropping skb.
[  866.781718] blackhole_netdev_xmit(): Dropping skb.