[    2.521744] ip (280) used greatest stack depth: 12344 bytes left
[    5.743766] ip (447) used greatest stack depth: 12192 bytes left
[   15.023869] mpls_gso: MPLS GSO support
[   21.637397] ip (2235) used greatest stack depth: 12064 bytes left
[ 1183.764629] blackhole_netdev_xmit(): Dropping skb.
[ 1183.764731] blackhole_netdev_xmit(): Dropping skb.
[ 1183.764784] blackhole_netdev_xmit(): Dropping skb.
[ 1183.764843] blackhole_netdev_xmit(): Dropping skb.