[  899.081760][T19911] veth0: entered allmulticast mode
[  899.082124][T19911] veth1: entered allmulticast mode
[  899.082360][T19911] veth2: entered allmulticast mode
[  899.082609][T19911] veth3: entered allmulticast mode
[  899.082845][T19911] veth4: entered allmulticast mode
[  899.083077][T19911] veth5: entered allmulticast mode
[  906.388334][T20040] tc (20040) used greatest stack depth: 23464 bytes left
[  910.586451][T19911] veth0: left allmulticast mode
[  910.586707][T19911] veth1: left allmulticast mode
[  910.586892][T19911] veth2: left allmulticast mode
[  910.587070][T19911] veth3: left allmulticast mode
[  910.587249][T19911] veth4: left allmulticast mode
[  910.587428][T19911] veth5: left allmulticast mode