[ 1902.142468][    C1] tc mirred to Houston: device veth2 is down
[ 1902.150312][    C2] tc mirred to Houston: device veth2 is down
[ 1902.513333][    C2] tc mirred to Houston: device veth2 is down
[ 1902.585363][    C2] tc mirred to Houston: device veth2 is down
[ 1902.625457][    C2] tc mirred to Houston: device veth2 is down
[ 1902.988622][    C2] tc mirred to Houston: device veth3 is down
[ 1912.765367][ T9238] ip (9238) used greatest stack depth: 23944 bytes left