[    1.826137] ip (253) used greatest stack depth: 12568 bytes left
[    2.272921] ip (281) used greatest stack depth: 12360 bytes left
[    5.395621] ip (445) used greatest stack depth: 12344 bytes left
[   14.250769] mpls_gso: MPLS GSO support
[  784.663781] blackhole_netdev_xmit(): Dropping skb.
[  784.663852] blackhole_netdev_xmit(): Dropping skb.
[  784.663891] blackhole_netdev_xmit(): Dropping skb.
[  784.663924] blackhole_netdev_xmit(): Dropping skb.
[  832.482984] blackhole_netdev_xmit(): Dropping skb.
[  832.483046] blackhole_netdev_xmit(): Dropping skb.
[  832.483092] blackhole_netdev_xmit(): Dropping skb.
[  832.483143] blackhole_netdev_xmit(): Dropping skb.
[  984.306695] blackhole_netdev_xmit(): Dropping skb.
[  984.306769] blackhole_netdev_xmit(): Dropping skb.
[  984.306807] blackhole_netdev_xmit(): Dropping skb.
[  984.306842] blackhole_netdev_xmit(): Dropping skb.
[ 1072.615832] blackhole_netdev_xmit(): Dropping skb.
[ 1072.615897] blackhole_netdev_xmit(): Dropping skb.
[ 1072.615934] blackhole_netdev_xmit(): Dropping skb.
[ 1072.615973] blackhole_netdev_xmit(): Dropping skb.