[    2.643738] ip (281) used greatest stack depth: 12272 bytes left
[   16.834721] mpls_gso: MPLS GSO support
[   23.173373] ip (2193) used greatest stack depth: 12120 bytes left
[  816.088120] blackhole_netdev_xmit(): Dropping skb.
[  816.088182] blackhole_netdev_xmit(): Dropping skb.
[  816.088214] blackhole_netdev_xmit(): Dropping skb.
[  816.088245] blackhole_netdev_xmit(): Dropping skb.
[  957.693874] blackhole_netdev_xmit(): Dropping skb.
[  957.693945] blackhole_netdev_xmit(): Dropping skb.
[  957.693993] blackhole_netdev_xmit(): Dropping skb.
[  957.694037] blackhole_netdev_xmit(): Dropping skb.
[ 1102.744160] blackhole_netdev_xmit(): Dropping skb.
[ 1102.744233] blackhole_netdev_xmit(): Dropping skb.
[ 1102.744266] blackhole_netdev_xmit(): Dropping skb.
[ 1102.744298] blackhole_netdev_xmit(): Dropping skb.