[ 2040.566473][T20101] tc (20101) used greatest stack depth: 24104 bytes left
[ 2040.668287][    C2] tc mirred to Houston: device veth2 is down
[ 2041.412977][    C2] tc mirred to Houston: device veth2 is down
[ 2041.414254][    C2] tc mirred to Houston: device veth2 is down
[ 2041.540952][    C3] tc mirred to Houston: device veth2 is down
[ 2041.580923][    C3] tc mirred to Houston: device veth3 is down