[  740.545010][T21380] veth0: entered allmulticast mode
[  740.545475][T21380] veth1: entered allmulticast mode
[  740.545817][T21380] veth2: entered allmulticast mode
[  740.546114][T21380] veth3: entered allmulticast mode
[  751.429307][T21380] veth0: left allmulticast mode
[  751.429572][T21380] veth1: left allmulticast mode
[  751.429778][T21380] veth2: left allmulticast mode
[  751.429981][T21380] veth3: left allmulticast mode