[  665.987640][T21725] veth0: entered allmulticast mode
[  665.988005][T21725] veth1: entered allmulticast mode
[  665.988246][T21725] veth2: entered allmulticast mode
[  665.988478][T21725] veth3: entered allmulticast mode
[  676.494099][T21725] veth0: left allmulticast mode
[  676.494351][T21725] veth1: left allmulticast mode
[  676.494544][T21725] veth2: left allmulticast mode
[  676.494732][T21725] veth3: left allmulticast mode