[ 1918.793447][    C3] tc mirred to Houston: device veth2 is down
[ 1919.400652][    C3] tc mirred to Houston: device veth2 is down
[ 1919.401794][    C3] tc mirred to Houston: device veth2 is down
[ 1919.529477][    C3] tc mirred to Houston: device veth2 is down
[ 1919.720366][    C2] tc mirred to Houston: device veth3 is down
[ 1919.888517][    C2] tc mirred to Houston: device veth3 is down