[ 1900.292060][T16786] tc (16786) used greatest stack depth: 23728 bytes left
[ 1900.393576][    C0] tc mirred to Houston: device veth2 is down
[ 1900.841098][    C0] tc mirred to Houston: device veth2 is down
[ 1901.056841][    C0] tc mirred to Houston: device veth2 is down
[ 1901.120834][    C0] tc mirred to Houston: device veth2 is down
[ 1901.241860][    C0] tc mirred to Houston: device veth3 is down
[ 1901.254811][    C0] tc mirred to Houston: device veth3 is down
[ 1901.465892][    C0] tc mirred to Houston: device veth3 is down