[   15.053961] mpls_gso: MPLS GSO support
[   26.764916] ip (2514) used greatest stack depth: 12304 bytes left
[  632.829918] ip (21935) used greatest stack depth: 12192 bytes left
[ 1219.144252] blackhole_netdev_xmit(): Dropping skb.
[ 1219.144316] blackhole_netdev_xmit(): Dropping skb.
[ 1219.144347] blackhole_netdev_xmit(): Dropping skb.
[ 1219.144373] blackhole_netdev_xmit(): Dropping skb.