[  643.163323][ T6681] veth0: entered allmulticast mode
[  643.164102][ T6681] veth1: entered allmulticast mode
[  643.164710][ T6681] veth2: entered allmulticast mode
[  643.165358][ T6681] veth3: entered allmulticast mode
[  654.957873][ T6681] veth0: left allmulticast mode
[  654.958273][ T6681] veth1: left allmulticast mode
[  654.958549][ T6681] veth2: left allmulticast mode
[  654.958827][ T6681] veth3: left allmulticast mode