[ 1548.467516][    C3] tc mirred to Houston: device veth2 is down
[ 1548.490914][    C3] tc mirred to Houston: device veth2 is down
[ 1548.868723][    C3] tc mirred to Houston: device veth2 is down
[ 1549.300866][    C2] tc mirred to Houston: device veth2 is down
[ 1549.413653][    C2] tc mirred to Houston: device veth3 is down
[ 1549.629816][    C1] tc mirred to Houston: device veth3 is down
[ 1549.780688][    C1] tc mirred to Houston: device veth3 is down
[ 1549.877092][    C1] tc mirred to Houston: device veth2 is down
[ 1549.877889][    C1] tc mirred to Houston: device veth2 is down