[  550.024010] tc (14768) used greatest stack depth: 12016 bytes left
[  550.037080] tc mirred to Houston: device veth2 is down
[  550.038056] tc mirred to Houston: device veth2 is down
[  550.074086] tc mirred to Houston: device veth2 is down
[  550.120109] tc mirred to Houston: device veth3 is down
[  550.146108] tc mirred to Houston: device veth3 is down