[ 1840.190851][    C1] tc mirred to Houston: device veth2 is down
[ 1840.401625][    C1] tc mirred to Houston: device veth2 is down
[ 1841.074593][    C1] tc mirred to Houston: device veth2 is down
[ 1841.075323][    C1] tc mirred to Houston: device veth2 is down
[ 1841.353642][    C3] tc mirred to Houston: device veth3 is down
[ 1841.705579][    C3] tc mirred to Houston: device veth3 is down