[  722.534706][T20873] veth0: entered allmulticast mode
[  722.535169][T20873] veth1: entered allmulticast mode
[  722.535466][T20873] veth2: entered allmulticast mode
[  722.535754][T20873] veth3: entered allmulticast mode
[  733.702029][T20873] veth0: left allmulticast mode
[  733.702479][T20873] veth1: left allmulticast mode
[  733.702902][T20873] veth2: left allmulticast mode
[  733.703276][T20873] veth3: left allmulticast mode