[    2.001767] ip (265) used greatest stack depth: 12368 bytes left
[   15.385621] mpls_gso: MPLS GSO support
[   20.862866] ip (2206) used greatest stack depth: 12256 bytes left
[ 1243.292230] blackhole_netdev_xmit(): Dropping skb.
[ 1243.292305] blackhole_netdev_xmit(): Dropping skb.
[ 1243.292340] blackhole_netdev_xmit(): Dropping skb.
[ 1243.292379] blackhole_netdev_xmit(): Dropping skb.