[  512.557078][ T5640] veth0: entered allmulticast mode
[  512.557441][ T5640] veth1: entered allmulticast mode
[  512.557670][ T5640] veth2: entered allmulticast mode
[  512.557898][ T5640] veth3: entered allmulticast mode
[  512.558119][ T5640] veth4: entered allmulticast mode
[  512.558349][ T5640] veth5: entered allmulticast mode
[  523.647083][ T5640] veth0: left allmulticast mode
[  523.647371][ T5640] veth1: left allmulticast mode
[  523.647594][ T5640] veth2: left allmulticast mode
[  523.647813][ T5640] veth3: left allmulticast mode
[  523.648023][ T5640] veth4: left allmulticast mode
[  523.648250][ T5640] veth5: left allmulticast mode