[    2.112328] ip (294) used greatest stack depth: 12248 bytes left
[   12.536161] mpls_gso: MPLS GSO support
[ 1126.136087] blackhole_netdev_xmit(): Dropping skb.
[ 1126.136194] blackhole_netdev_xmit(): Dropping skb.
[ 1126.136251] blackhole_netdev_xmit(): Dropping skb.
[ 1126.136300] blackhole_netdev_xmit(): Dropping skb.