[   27.567164] ip (282) used greatest stack depth: 12344 bytes left
[   33.334228] ip (679) used greatest stack depth: 12192 bytes left
[   40.370676] mpls_gso: MPLS GSO support
[ 1180.153441] blackhole_netdev_xmit(): Dropping skb.
[ 1180.153533] blackhole_netdev_xmit(): Dropping skb.
[ 1180.153585] blackhole_netdev_xmit(): Dropping skb.
[ 1180.153631] blackhole_netdev_xmit(): Dropping skb.