[   36.506496][  T283] ip (283) used greatest stack depth: 24456 bytes left
[   37.014080][  T286] ip (286) used greatest stack depth: 24096 bytes left
[  163.880766][  T762] ip (762) used greatest stack depth: 23976 bytes left
[  253.256669][ T1344] mpls_gso: MPLS GSO support
[ 1876.189043][T12642] blackhole_netdev_xmit(): Dropping skb.
[ 1876.189444][T12642] blackhole_netdev_xmit(): Dropping skb.
[ 1876.190229][T12642] blackhole_netdev_xmit(): Dropping skb.
[ 1876.190576][T12642] blackhole_netdev_xmit(): Dropping skb.