[ 1835.866933][    C3] tc mirred to Houston: device veth2 is down
[ 1836.199983][    C3] tc mirred to Houston: device veth2 is down
[ 1836.478801][    C3] tc mirred to Houston: device veth2 is down
[ 1836.863730][    C3] tc mirred to Houston: device veth2 is down
[ 1837.040105][    C1] tc mirred to Houston: device veth3 is down
[ 1837.111578][    C2] tc mirred to Houston: device veth3 is down
[ 1837.351181][    C1] tc mirred to Houston: device veth3 is down
[ 1837.526810][    C1] tc mirred to Houston: device veth3 is down