[ 1421.466971][    C3] tc mirred to Houston: device veth2 is down
[ 1421.630976][    C3] tc mirred to Houston: device veth2 is down
[ 1422.199012][    C3] tc mirred to Houston: device veth2 is down
[ 1422.321085][    C3] tc mirred to Houston: device veth3 is down
[ 1422.455005][    C3] tc mirred to Houston: device veth2 is down
[ 1422.542028][    C3] tc mirred to Houston: device veth3 is down