[    2.672999] ip (282) used greatest stack depth: 12344 bytes left
[    6.285261] ip (451) used greatest stack depth: 12288 bytes left
[   16.458230] mpls_gso: MPLS GSO support
[  791.877522] blackhole_netdev_xmit(): Dropping skb.
[  791.877603] blackhole_netdev_xmit(): Dropping skb.
[  791.877639] blackhole_netdev_xmit(): Dropping skb.
[  791.877678] blackhole_netdev_xmit(): Dropping skb.