[    2.649965] ip (282) used greatest stack depth: 12272 bytes left
[    9.371280] ip (771) used greatest stack depth: 12240 bytes left
[   15.583048] mpls_gso: MPLS GSO support
[  682.337322] blackhole_netdev_xmit(): Dropping skb.
[  682.337407] blackhole_netdev_xmit(): Dropping skb.
[  682.337443] blackhole_netdev_xmit(): Dropping skb.
[  682.337480] blackhole_netdev_xmit(): Dropping skb.
[  941.871303] blackhole_netdev_xmit(): Dropping skb.
[  941.871381] blackhole_netdev_xmit(): Dropping skb.
[  941.871430] blackhole_netdev_xmit(): Dropping skb.
[  941.871483] blackhole_netdev_xmit(): Dropping skb.
[ 1184.372399] blackhole_netdev_xmit(): Dropping skb.
[ 1184.372466] blackhole_netdev_xmit(): Dropping skb.
[ 1184.372500] blackhole_netdev_xmit(): Dropping skb.
[ 1184.372536] blackhole_netdev_xmit(): Dropping skb.