[ 1447.356910][    C2] tc mirred to Houston: device veth2 is down
[ 1447.582784][    C2] tc mirred to Houston: device veth2 is down
[ 1447.910929][    C2] tc mirred to Houston: device veth2 is down
[ 1448.167139][    C1] tc mirred to Houston: device veth2 is down
[ 1448.246775][    C1] tc mirred to Houston: device veth3 is down
[ 1448.606816][    C1] tc mirred to Houston: device veth3 is down