[ 1550.525984][    C3] tc mirred to Houston: device veth2 is down
[ 1550.711187][    C3] tc mirred to Houston: device veth2 is down
[ 1550.998936][    C3] tc mirred to Houston: device veth2 is down
[ 1551.142918][    C3] tc mirred to Houston: device veth2 is down
[ 1551.303883][    C2] tc mirred to Houston: device veth3 is down
[ 1551.312878][    C1] tc mirred to Houston: device veth3 is down