[ 1688.948829][ T7716] tc (7716) used greatest stack depth: 23592 bytes left
[ 1689.092618][    C1] tc mirred to Houston: device veth2 is down
[ 1689.385747][    C1] tc mirred to Houston: device veth2 is down
[ 1689.657709][    C1] tc mirred to Houston: device veth2 is down
[ 1690.047312][    C1] tc mirred to Houston: device veth2 is down
[ 1690.184575][    C2] tc mirred to Houston: device veth3 is down
[ 1690.273602][    C2] tc mirred to Houston: device veth3 is down
[ 1690.425768][    C2] tc mirred to Houston: device veth2 is down
[ 1690.426307][    C2] tc mirred to Houston: device veth2 is down