[  922.623601][T21740] veth0: entered allmulticast mode
[  922.624042][T21740] veth1: entered allmulticast mode
[  922.624426][T21740] veth2: entered allmulticast mode
[  922.624662][T21740] veth3: entered allmulticast mode
[  933.885893][T21740] veth0: left allmulticast mode
[  933.886213][T21740] veth1: left allmulticast mode
[  933.897858][T21740] veth2: left allmulticast mode
[  933.898125][T21740] veth3: left allmulticast mode