[  739.708539][T21409] veth0: entered allmulticast mode
[  739.709088][T21409] veth1: entered allmulticast mode
[  739.709508][T21409] veth2: entered allmulticast mode
[  739.709913][T21409] veth3: entered allmulticast mode
[  751.174313][T21409] veth0: left allmulticast mode
[  751.174650][T21409] veth1: left allmulticast mode
[  751.174972][T21409] veth2: left allmulticast mode
[  751.175264][T21409] veth3: left allmulticast mode