[  780.651507][ T7747] veth0: entered allmulticast mode
[  780.651891][ T7747] veth1: entered allmulticast mode
[  780.652149][ T7747] veth2: entered allmulticast mode
[  780.652371][ T7747] veth3: entered allmulticast mode
[  791.891754][ T7747] veth0: left allmulticast mode
[  791.892113][ T7747] veth1: left allmulticast mode
[  791.892301][ T7747] veth2: left allmulticast mode
[  791.892485][ T7747] veth3: left allmulticast mode