[    2.194701] ip (293) used greatest stack depth: 12232 bytes left
[    6.544734] ip (650) used greatest stack depth: 12216 bytes left
[   10.668468] ip (1125) used greatest stack depth: 12120 bytes left
[   12.950190] mpls_gso: MPLS GSO support
[  637.775714] ip (13361) used greatest stack depth: 12088 bytes left
[ 1110.309295] blackhole_netdev_xmit(): Dropping skb.
[ 1110.309361] blackhole_netdev_xmit(): Dropping skb.
[ 1110.309411] blackhole_netdev_xmit(): Dropping skb.
[ 1110.309450] blackhole_netdev_xmit(): Dropping skb.
[ 1126.954168] blackhole_netdev_xmit(): Dropping skb.
[ 1126.954232] blackhole_netdev_xmit(): Dropping skb.
[ 1126.954273] blackhole_netdev_xmit(): Dropping skb.
[ 1126.954310] blackhole_netdev_xmit(): Dropping skb.
[ 1238.323599] blackhole_netdev_xmit(): Dropping skb.
[ 1238.323662] blackhole_netdev_xmit(): Dropping skb.
[ 1238.323699] blackhole_netdev_xmit(): Dropping skb.
[ 1238.323737] blackhole_netdev_xmit(): Dropping skb.