[    1.915505] ip (293) used greatest stack depth: 12248 bytes left
[    6.524097] ip (692) used greatest stack depth: 12104 bytes left
[   11.704778] mpls_gso: MPLS GSO support
[ 1150.137253] blackhole_netdev_xmit(): Dropping skb.
[ 1150.137318] blackhole_netdev_xmit(): Dropping skb.
[ 1150.137359] blackhole_netdev_xmit(): Dropping skb.
[ 1150.137397] blackhole_netdev_xmit(): Dropping skb.
[ 1212.000118] blackhole_netdev_xmit(): Dropping skb.
[ 1212.000208] blackhole_netdev_xmit(): Dropping skb.
[ 1212.000282] blackhole_netdev_xmit(): Dropping skb.
[ 1212.000339] blackhole_netdev_xmit(): Dropping skb.