[    1.660774] ip (258) used greatest stack depth: 12280 bytes left
[    2.056872] ip (292) used greatest stack depth: 12248 bytes left
[   11.100702] mpls_gso: MPLS GSO support
[  868.411831] blackhole_netdev_xmit(): Dropping skb.
[  868.411968] blackhole_netdev_xmit(): Dropping skb.
[  868.412035] blackhole_netdev_xmit(): Dropping skb.
[  868.412116] blackhole_netdev_xmit(): Dropping skb.