[    1.724813] ip (254) used greatest stack depth: 12376 bytes left
[    2.256692] ip (288) used greatest stack depth: 12360 bytes left
[    2.413811] ip (303) used greatest stack depth: 12344 bytes left
[   13.125247] ip (1119) used greatest stack depth: 12304 bytes left
[   15.817825] mpls_gso: MPLS GSO support
[  878.896375] blackhole_netdev_xmit(): Dropping skb.
[  878.896441] blackhole_netdev_xmit(): Dropping skb.
[  878.896479] blackhole_netdev_xmit(): Dropping skb.
[  878.896516] blackhole_netdev_xmit(): Dropping skb.
[  937.161332] blackhole_netdev_xmit(): Dropping skb.
[  937.161392] blackhole_netdev_xmit(): Dropping skb.
[  937.161429] blackhole_netdev_xmit(): Dropping skb.
[  937.161481] blackhole_netdev_xmit(): Dropping skb.
[  944.458361] blackhole_netdev_xmit(): Dropping skb.
[  944.458416] blackhole_netdev_xmit(): Dropping skb.
[  944.458449] blackhole_netdev_xmit(): Dropping skb.
[  944.458490] blackhole_netdev_xmit(): Dropping skb.
[ 1050.614081] blackhole_netdev_xmit(): Dropping skb.
[ 1050.614157] blackhole_netdev_xmit(): Dropping skb.
[ 1050.614194] blackhole_netdev_xmit(): Dropping skb.
[ 1050.614229] blackhole_netdev_xmit(): Dropping skb.