[  667.389393][ T4500] veth0: entered allmulticast mode
[  667.389919][ T4500] veth1: entered allmulticast mode
[  667.390246][ T4500] veth2: entered allmulticast mode
[  667.390555][ T4500] veth3: entered allmulticast mode
[  667.390860][ T4500] veth4: entered allmulticast mode
[  667.391212][ T4500] veth5: entered allmulticast mode
[  721.625759][ T4500] veth0: left allmulticast mode
[  721.626062][ T4500] veth1: left allmulticast mode
[  721.626302][ T4500] veth2: left allmulticast mode
[  721.626531][ T4500] veth3: left allmulticast mode
[  721.626755][ T4500] veth4: left allmulticast mode
[  721.626972][ T4500] veth5: left allmulticast mode