[    1.810366] ip (263) used greatest stack depth: 12280 bytes left
[    2.233175] ip (294) used greatest stack depth: 12248 bytes left
[   13.231247] mpls_gso: MPLS GSO support
[   14.026893] ip (1462) used greatest stack depth: 12104 bytes left
[  695.078062] blackhole_netdev_xmit(): Dropping skb.
[  695.078127] blackhole_netdev_xmit(): Dropping skb.
[  695.078170] blackhole_netdev_xmit(): Dropping skb.
[  695.078207] blackhole_netdev_xmit(): Dropping skb.
[  701.068027] blackhole_netdev_xmit(): Dropping skb.
[  701.068112] blackhole_netdev_xmit(): Dropping skb.
[  701.068159] blackhole_netdev_xmit(): Dropping skb.
[  701.068205] blackhole_netdev_xmit(): Dropping skb.