[    2.031484] ip (294) used greatest stack depth: 12248 bytes left
[   12.452462] mpls_gso: MPLS GSO support
[   13.224857] ip (1472) used greatest stack depth: 12104 bytes left
[  941.631234] blackhole_netdev_xmit(): Dropping skb.
[  941.631297] blackhole_netdev_xmit(): Dropping skb.
[  941.631340] blackhole_netdev_xmit(): Dropping skb.
[  941.631378] blackhole_netdev_xmit(): Dropping skb.
[ 1165.025143] blackhole_netdev_xmit(): Dropping skb.
[ 1165.025197] blackhole_netdev_xmit(): Dropping skb.
[ 1165.025248] blackhole_netdev_xmit(): Dropping skb.
[ 1165.025283] blackhole_netdev_xmit(): Dropping skb.
[ 1212.052431] blackhole_netdev_xmit(): Dropping skb.
[ 1212.052523] blackhole_netdev_xmit(): Dropping skb.
[ 1212.052582] blackhole_netdev_xmit(): Dropping skb.
[ 1212.052630] blackhole_netdev_xmit(): Dropping skb.