[  932.235477][T21738] veth0: entered allmulticast mode
[  932.235933][T21738] veth1: entered allmulticast mode
[  932.236263][T21738] veth2: entered allmulticast mode
[  932.236575][T21738] veth3: entered allmulticast mode
[  943.223268][T21738] veth0: left allmulticast mode
[  943.223610][T21738] veth1: left allmulticast mode
[  943.223887][T21738] veth2: left allmulticast mode
[  943.224162][T21738] veth3: left allmulticast mode