[    2.053464] ip (292) used greatest stack depth: 12144 bytes left
[   11.499716] mpls_gso: MPLS GSO support
[ 1204.483750] blackhole_netdev_xmit(): Dropping skb.
[ 1204.483839] blackhole_netdev_xmit(): Dropping skb.
[ 1204.483897] blackhole_netdev_xmit(): Dropping skb.
[ 1204.483954] blackhole_netdev_xmit(): Dropping skb.
[ 1220.682345] blackhole_netdev_xmit(): Dropping skb.
[ 1220.682429] blackhole_netdev_xmit(): Dropping skb.
[ 1220.682482] blackhole_netdev_xmit(): Dropping skb.
[ 1220.682535] blackhole_netdev_xmit(): Dropping skb.