[   43.095265][  T293] ip (293) used greatest stack depth: 24304 bytes left
[   47.039970][  T318] ip (318) used greatest stack depth: 23712 bytes left
[  238.011216][ T1183] ip (1183) used greatest stack depth: 23552 bytes left
[  255.773743][ T1345] mpls_gso: MPLS GSO support
[ 1869.330100][T12827] blackhole_netdev_xmit(): Dropping skb.
[ 1869.330490][T12827] blackhole_netdev_xmit(): Dropping skb.
[ 1869.331135][T12827] blackhole_netdev_xmit(): Dropping skb.
[ 1869.331493][T12827] blackhole_netdev_xmit(): Dropping skb.