[   19.120178][  T330] ip (330) used greatest stack depth: 24192 bytes left
[  157.195520][ T1393] mpls_gso: MPLS GSO support
[  249.585591][ T2709] ip (2709) used greatest stack depth: 23776 bytes left
[  884.895919][T10063] ip (10063) used greatest stack depth: 23744 bytes left
[ 1568.433556][T15734] blackhole_netdev_xmit(): Dropping skb.
[ 1568.433997][T15734] blackhole_netdev_xmit(): Dropping skb.
[ 1568.434454][T15734] blackhole_netdev_xmit(): Dropping skb.
[ 1568.434683][T15734] blackhole_netdev_xmit(): Dropping skb.