[ 1688.055915][    C2] tc mirred to Houston: device veth2 is down
[ 1688.628955][    C2] tc mirred to Houston: device veth2 is down
[ 1689.012832][    C1] tc mirred to Houston: device veth2 is down
[ 1689.076844][    C2] tc mirred to Houston: device veth2 is down
[ 1689.128840][    C1] tc mirred to Houston: device veth3 is down
[ 1689.156746][    C1] tc mirred to Houston: device veth3 is down
[ 1689.276761][    C1] tc mirred to Houston: device veth3 is down