[  596.642813][ T7940] veth0: entered allmulticast mode
[  596.643189][ T7940] veth1: entered allmulticast mode
[  596.643438][ T7940] veth2: entered allmulticast mode
[  596.643675][ T7940] veth3: entered allmulticast mode
[  608.156311][ T7940] veth0: left allmulticast mode
[  608.156680][ T7940] veth1: left allmulticast mode
[  608.157006][ T7940] veth2: left allmulticast mode
[  608.157311][ T7940] veth3: left allmulticast mode