[   14.504793][  T299] ip (299) used greatest stack depth: 24096 bytes left
[  122.540149][ T1099] sysctl (1099) used greatest stack depth: 23952 bytes left
[  143.599420][ T1396] mpls_gso: MPLS GSO support
[  965.639721][T11560] ip (11560) used greatest stack depth: 23456 bytes left
[ 1265.558513][T11720] blackhole_netdev_xmit(): Dropping skb.
[ 1265.559471][T11720] blackhole_netdev_xmit(): Dropping skb.
[ 1265.559918][T11720] blackhole_netdev_xmit(): Dropping skb.
[ 1265.560310][T11720] blackhole_netdev_xmit(): Dropping skb.