[  703.670112][ T8721] veth0: entered allmulticast mode
[  703.670466][ T8721] veth1: entered allmulticast mode
[  703.670706][ T8721] veth2: entered allmulticast mode
[  703.670928][ T8721] veth3: entered allmulticast mode
[  714.480859][ T8721] veth0: left allmulticast mode
[  714.481148][ T8721] veth1: left allmulticast mode
[  714.481371][ T8721] veth2: left allmulticast mode
[  714.481614][ T8721] veth3: left allmulticast mode