[  857.072044][T20722] veth0: entered allmulticast mode
[  857.072549][T20722] veth1: entered allmulticast mode
[  857.072919][T20722] veth2: entered allmulticast mode
[  857.073295][T20722] veth3: entered allmulticast mode
[  868.223161][T20722] veth0: left allmulticast mode
[  868.223599][T20722] veth1: left allmulticast mode
[  868.223961][T20722] veth2: left allmulticast mode
[  868.224295][T20722] veth3: left allmulticast mode