[    2.109099] ip (251) used greatest stack depth: 12288 bytes left
[    2.734604] ip (282) used greatest stack depth: 12272 bytes left
[   16.705152] mpls_gso: MPLS GSO support
[  752.596173] blackhole_netdev_xmit(): Dropping skb.
[  752.596239] blackhole_netdev_xmit(): Dropping skb.
[  752.596271] blackhole_netdev_xmit(): Dropping skb.
[  752.596302] blackhole_netdev_xmit(): Dropping skb.
[  763.129673] blackhole_netdev_xmit(): Dropping skb.
[  763.129730] blackhole_netdev_xmit(): Dropping skb.
[  763.129761] blackhole_netdev_xmit(): Dropping skb.
[  763.129795] blackhole_netdev_xmit(): Dropping skb.