[  728.856163][T21680] veth0: entered allmulticast mode
[  728.856529][T21680] veth1: entered allmulticast mode
[  728.856757][T21680] veth2: entered allmulticast mode
[  728.857002][T21680] veth3: entered allmulticast mode
[  740.149603][T21680] veth0: left allmulticast mode
[  740.149852][T21680] veth1: left allmulticast mode
[  740.150032][T21680] veth2: left allmulticast mode
[  740.150190][T21680] veth3: left allmulticast mode