[  604.467446] veth0: entered allmulticast mode
[  604.467580] veth1: entered allmulticast mode
[  604.467693] veth2: entered allmulticast mode
[  604.467770] veth3: entered allmulticast mode
[  611.748279] tc (23573) used greatest stack depth: 11712 bytes left
[  612.017381] veth0: left allmulticast mode
[  612.017471] veth1: left allmulticast mode
[  612.017530] veth2: left allmulticast mode
[  612.017624] veth3: left allmulticast mode