[    1.945235] ip (245) used greatest stack depth: 12376 bytes left
[    2.528451] ip (279) used greatest stack depth: 12344 bytes left
[   15.427165] mpls_gso: MPLS GSO support
[  633.493012] ip (26438) used greatest stack depth: 12288 bytes left
[ 1174.482984] blackhole_netdev_xmit(): Dropping skb.
[ 1174.483070] blackhole_netdev_xmit(): Dropping skb.
[ 1174.483119] blackhole_netdev_xmit(): Dropping skb.
[ 1174.483164] blackhole_netdev_xmit(): Dropping skb.