[    1.990794] ip (250) used greatest stack depth: 12376 bytes left
[    2.712551] ip (281) used greatest stack depth: 12344 bytes left
[   16.466898] mpls_gso: MPLS GSO support
[  633.137809] ip (17316) used greatest stack depth: 12304 bytes left
[  741.568145] blackhole_netdev_xmit(): Dropping skb.
[  741.568220] blackhole_netdev_xmit(): Dropping skb.
[  741.568258] blackhole_netdev_xmit(): Dropping skb.
[  741.568302] blackhole_netdev_xmit(): Dropping skb.
[ 1126.852709] blackhole_netdev_xmit(): Dropping skb.
[ 1126.852806] blackhole_netdev_xmit(): Dropping skb.
[ 1126.852861] blackhole_netdev_xmit(): Dropping skb.
[ 1126.852912] blackhole_netdev_xmit(): Dropping skb.