[ 1836.805747][    C2] tc mirred to Houston: device veth2 is down
[ 1836.806696][    C2] tc mirred to Houston: device veth2 is down
[ 1837.213635][    C2] tc mirred to Houston: device veth2 is down
[ 1837.600807][    C2] tc mirred to Houston: device veth2 is down
[ 1838.000706][    C1] tc mirred to Houston: device veth3 is down
[ 1838.112627][    C1] tc mirred to Houston: device veth3 is down
[ 1838.264840][    C1] tc mirred to Houston: device veth3 is down
[ 1838.361268][    C1] tc mirred to Houston: device veth3 is down