[    2.565089] ip (280) used greatest stack depth: 12344 bytes left
[   15.556508] mpls_gso: MPLS GSO support
[  953.891091] ip (26775) used greatest stack depth: 12288 bytes left
[ 1011.872017] blackhole_netdev_xmit(): Dropping skb.
[ 1011.872084] blackhole_netdev_xmit(): Dropping skb.
[ 1011.872117] blackhole_netdev_xmit(): Dropping skb.
[ 1011.872157] blackhole_netdev_xmit(): Dropping skb.
[ 1201.325425] blackhole_netdev_xmit(): Dropping skb.
[ 1201.325493] blackhole_netdev_xmit(): Dropping skb.
[ 1201.325531] blackhole_netdev_xmit(): Dropping skb.
[ 1201.325574] blackhole_netdev_xmit(): Dropping skb.