[    1.936651] ip (246) used greatest stack depth: 12376 bytes left
[    2.468557] ip (280) used greatest stack depth: 12344 bytes left
[   11.304253] ip (980) used greatest stack depth: 12160 bytes left
[   15.505272] mpls_gso: MPLS GSO support
[  808.507506] blackhole_netdev_xmit(): Dropping skb.
[  808.507566] blackhole_netdev_xmit(): Dropping skb.
[  808.507595] blackhole_netdev_xmit(): Dropping skb.
[  808.507626] blackhole_netdev_xmit(): Dropping skb.
[  945.194644] blackhole_netdev_xmit(): Dropping skb.
[  945.194701] blackhole_netdev_xmit(): Dropping skb.
[  945.194738] blackhole_netdev_xmit(): Dropping skb.
[  945.194772] blackhole_netdev_xmit(): Dropping skb.
[  945.586386] blackhole_netdev_xmit(): Dropping skb.
[  945.586455] blackhole_netdev_xmit(): Dropping skb.
[  945.586502] blackhole_netdev_xmit(): Dropping skb.
[  945.586546] blackhole_netdev_xmit(): Dropping skb.
[ 1086.613025] blackhole_netdev_xmit(): Dropping skb.
[ 1086.613099] blackhole_netdev_xmit(): Dropping skb.
[ 1086.613137] blackhole_netdev_xmit(): Dropping skb.
[ 1086.613174] blackhole_netdev_xmit(): Dropping skb.