[ 1326.945308][    C3] tc mirred to Houston: device veth2 is down
[ 1327.125832][    C1] tc mirred to Houston: device veth2 is down
[ 1327.198057][    C2] tc mirred to Houston: device veth2 is down
[ 1327.545967][    C2] tc mirred to Houston: device veth3 is down
[ 1327.796969][    C2] tc mirred to Houston: device veth3 is down
[ 1327.838015][    C3] tc mirred to Houston: device veth2 is down