[ 1968.689152][ T7690] tc (7690) used greatest stack depth: 23680 bytes left
[ 1968.788636][    C2] tc mirred to Houston: device veth2 is down
[ 1969.010567][    C2] tc mirred to Houston: device veth2 is down
[ 1969.290585][    C2] tc mirred to Houston: device veth2 is down
[ 1969.354559][    C2] tc mirred to Houston: device veth2 is down
[ 1969.596530][    C0] tc mirred to Houston: device veth3 is down
[ 1969.913593][    C0] tc mirred to Houston: device veth3 is down