[  756.037125][ T6992] veth0: entered allmulticast mode
[  756.037878][ T6992] veth1: entered allmulticast mode
[  756.038218][ T6992] veth2: entered allmulticast mode
[  756.038513][ T6992] veth3: entered allmulticast mode
[  767.570077][ T6992] veth0: left allmulticast mode
[  767.570298][ T6992] veth1: left allmulticast mode
[  767.570474][ T6992] veth2: left allmulticast mode
[  767.570648][ T6992] veth3: left allmulticast mode