[    2.089098] ip (259) used greatest stack depth: 12416 bytes left
[    2.785957] ip (293) used greatest stack depth: 12384 bytes left
[   16.557824] mpls_gso: MPLS GSO support
[  995.750237] blackhole_netdev_xmit(): Dropping skb.
[  995.750300] blackhole_netdev_xmit(): Dropping skb.
[  995.750341] blackhole_netdev_xmit(): Dropping skb.
[  995.750378] blackhole_netdev_xmit(): Dropping skb.