[    2.558310] ip (281) used greatest stack depth: 12344 bytes left
[   14.811378] mpls_gso: MPLS GSO support
[   21.678724] ip (2224) used greatest stack depth: 12192 bytes left
[  639.589674] ip (21288) used greatest stack depth: 12064 bytes left
[  820.563824] blackhole_netdev_xmit(): Dropping skb.
[  820.563912] blackhole_netdev_xmit(): Dropping skb.
[  820.563964] blackhole_netdev_xmit(): Dropping skb.
[  820.564008] blackhole_netdev_xmit(): Dropping skb.
[  988.185859] blackhole_netdev_xmit(): Dropping skb.
[  988.185936] blackhole_netdev_xmit(): Dropping skb.
[  988.185984] blackhole_netdev_xmit(): Dropping skb.
[  988.186020] blackhole_netdev_xmit(): Dropping skb.
[ 1147.694444] blackhole_netdev_xmit(): Dropping skb.
[ 1147.694531] blackhole_netdev_xmit(): Dropping skb.
[ 1147.694591] blackhole_netdev_xmit(): Dropping skb.
[ 1147.694656] blackhole_netdev_xmit(): Dropping skb.