[    1.915236] ip (294) used greatest stack depth: 12248 bytes left
[   11.966850] mpls_gso: MPLS GSO support
[ 1122.993541] blackhole_netdev_xmit(): Dropping skb.
[ 1122.993611] blackhole_netdev_xmit(): Dropping skb.
[ 1122.993656] blackhole_netdev_xmit(): Dropping skb.
[ 1122.993691] blackhole_netdev_xmit(): Dropping skb.