[    2.053079] ip (247) used greatest stack depth: 12304 bytes left
[    2.676160] ip (281) used greatest stack depth: 12272 bytes left
[    8.532060] ip (665) used greatest stack depth: 12016 bytes left
[   16.477254] mpls_gso: MPLS GSO support
[  663.502406] blackhole_netdev_xmit(): Dropping skb.
[  663.502572] blackhole_netdev_xmit(): Dropping skb.
[  663.502610] blackhole_netdev_xmit(): Dropping skb.
[  663.502649] blackhole_netdev_xmit(): Dropping skb.
[  674.532748] blackhole_netdev_xmit(): Dropping skb.
[  674.532816] blackhole_netdev_xmit(): Dropping skb.
[  674.532862] blackhole_netdev_xmit(): Dropping skb.
[  674.532902] blackhole_netdev_xmit(): Dropping skb.
[  696.210425] blackhole_netdev_xmit(): Dropping skb.
[  696.210489] blackhole_netdev_xmit(): Dropping skb.
[  696.210523] blackhole_netdev_xmit(): Dropping skb.
[  696.210555] blackhole_netdev_xmit(): Dropping skb.
[  740.343846] blackhole_netdev_xmit(): Dropping skb.
[  740.343909] blackhole_netdev_xmit(): Dropping skb.
[  740.343951] blackhole_netdev_xmit(): Dropping skb.
[  740.343988] blackhole_netdev_xmit(): Dropping skb.
[  836.067560] blackhole_netdev_xmit(): Dropping skb.
[  836.067612] blackhole_netdev_xmit(): Dropping skb.
[  836.067643] blackhole_netdev_xmit(): Dropping skb.
[  836.067676] blackhole_netdev_xmit(): Dropping skb.
[  903.829141] blackhole_netdev_xmit(): Dropping skb.
[  903.829217] blackhole_netdev_xmit(): Dropping skb.
[  903.829253] blackhole_netdev_xmit(): Dropping skb.
[  903.829302] blackhole_netdev_xmit(): Dropping skb.
[  938.879431] blackhole_netdev_xmit(): Dropping skb.
[  938.879482] blackhole_netdev_xmit(): Dropping skb.
[  938.879513] blackhole_netdev_xmit(): Dropping skb.
[  938.879545] blackhole_netdev_xmit(): Dropping skb.
[  990.329206] blackhole_netdev_xmit(): Dropping skb.
[  990.329271] blackhole_netdev_xmit(): Dropping skb.
[  990.329304] blackhole_netdev_xmit(): Dropping skb.
[  990.329344] blackhole_netdev_xmit(): Dropping skb.