[ 1557.051056][    C2] tc mirred to Houston: device veth2 is down
[ 1557.280873][    C1] tc mirred to Houston: device veth2 is down
[ 1557.680816][    C3] tc mirred to Houston: device veth2 is down
[ 1557.745083][    C2] tc mirred to Houston: device veth2 is down
[ 1557.971829][    C2] tc mirred to Houston: device veth3 is down
[ 1558.224846][    C2] tc mirred to Houston: device veth3 is down
[ 1558.321419][    C3] tc mirred to Houston: device veth2 is down
[ 1558.321917][    C3] tc mirred to Houston: device veth2 is down