[  971.250115][T20328] veth0: entered allmulticast mode
[  971.250438][T20328] veth1: entered allmulticast mode
[  971.250683][T20328] veth2: entered allmulticast mode
[  971.250919][T20328] veth3: entered allmulticast mode
[  982.631351][T20328] veth0: left allmulticast mode
[  982.631639][T20328] veth1: left allmulticast mode
[  982.631852][T20328] veth2: left allmulticast mode
[  982.636441][T20328] veth3: left allmulticast mode