[  793.861922][T20789] veth0: entered allmulticast mode
[  793.862381][T20789] veth1: entered allmulticast mode
[  793.862741][T20789] veth2: entered allmulticast mode
[  793.863088][T20789] veth3: entered allmulticast mode
[  804.971664][T20789] veth0: left allmulticast mode
[  804.972001][T20789] veth1: left allmulticast mode
[  804.972275][T20789] veth2: left allmulticast mode
[  804.972551][T20789] veth3: left allmulticast mode