[  656.513765] veth0: entered allmulticast mode
[  656.513830] veth1: entered allmulticast mode
[  656.513864] veth2: entered allmulticast mode
[  656.513893] veth3: entered allmulticast mode
[  663.868603] tc (18616) used greatest stack depth: 11704 bytes left
[  664.028889] veth0: left allmulticast mode
[  664.029004] veth1: left allmulticast mode
[  664.029038] veth2: left allmulticast mode
[  664.029066] veth3: left allmulticast mode