[ 1830.923405][ T6015] tc (6015) used greatest stack depth: 23272 bytes left
[ 1831.081982][    C2] tc mirred to Houston: device veth2 is down
[ 1831.246637][    C0] tc mirred to Houston: device veth2 is down
[ 1831.310765][    C2] tc mirred to Houston: device veth2 is down
[ 1831.526677][    C0] tc mirred to Houston: device veth2 is down
[ 1832.281648][    C0] tc mirred to Houston: device veth3 is down
[ 1832.574715][    C0] tc mirred to Houston: device veth3 is down
[ 1832.591798][    C3] tc mirred to Houston: device veth2 is down
[ 1832.592362][    C3] tc mirred to Houston: device veth2 is down
[ 1832.782667][    C3] tc mirred to Houston: device veth3 is down