[ 1859.915726][    C3] tc mirred to Houston: device veth2 is down
[ 1859.940704][    C3] tc mirred to Houston: device veth2 is down
[ 1860.254621][    C3] tc mirred to Houston: device veth2 is down
[ 1860.324782][    C2] tc mirred to Houston: device veth2 is down
[ 1861.115754][    C2] tc mirred to Houston: device veth3 is down
[ 1861.301456][    C1] tc mirred to Houston: device veth2 is down
[ 1861.302238][    C1] tc mirred to Houston: device veth2 is down
[ 1861.684771][    C2] tc mirred to Houston: device veth3 is down
[ 1861.708896][    C1] tc mirred to Houston: device veth2 is down