[   14.332230] mpls_gso: MPLS GSO support
[   20.596356] ip (2235) used greatest stack depth: 12064 bytes left
[ 1021.342397] blackhole_netdev_xmit(): Dropping skb.
[ 1021.342459] blackhole_netdev_xmit(): Dropping skb.
[ 1021.342489] blackhole_netdev_xmit(): Dropping skb.
[ 1021.342516] blackhole_netdev_xmit(): Dropping skb.