[    1.990557] ip (246) used greatest stack depth: 12304 bytes left
[    2.640184] ip (280) used greatest stack depth: 12272 bytes left
[   16.427344] mpls_gso: MPLS GSO support
[  912.992037] blackhole_netdev_xmit(): Dropping skb.
[  912.992116] blackhole_netdev_xmit(): Dropping skb.
[  912.992157] blackhole_netdev_xmit(): Dropping skb.
[  912.992204] blackhole_netdev_xmit(): Dropping skb.
[  923.703612] blackhole_netdev_xmit(): Dropping skb.
[  923.703684] blackhole_netdev_xmit(): Dropping skb.
[  923.703734] blackhole_netdev_xmit(): Dropping skb.
[  923.703785] blackhole_netdev_xmit(): Dropping skb.