[    2.519407] ip (281) used greatest stack depth: 12344 bytes left
[    5.838928] ip (458) used greatest stack depth: 12304 bytes left
[   15.769083] mpls_gso: MPLS GSO support
[ 1004.295804] blackhole_netdev_xmit(): Dropping skb.
[ 1004.295886] blackhole_netdev_xmit(): Dropping skb.
[ 1004.295926] blackhole_netdev_xmit(): Dropping skb.
[ 1004.295964] blackhole_netdev_xmit(): Dropping skb.