[  298.860745][ T6821] veth0: entered allmulticast mode
[  298.861088][ T6821] veth1: entered allmulticast mode
[  298.861465][ T6821] veth2: entered allmulticast mode
[  298.861745][ T6821] veth3: entered allmulticast mode
[  309.454829][ T6821] veth0: left allmulticast mode
[  309.455070][ T6821] veth1: left allmulticast mode
[  309.455252][ T6821] veth2: left allmulticast mode
[  309.455429][ T6821] veth3: left allmulticast mode