[  922.278744][T31307] veth0: entered allmulticast mode
[  922.279135][T31307] veth1: entered allmulticast mode
[  922.279447][T31307] veth2: entered allmulticast mode
[  922.279796][T31307] veth3: entered allmulticast mode
[  933.043990][T31307] veth0: left allmulticast mode
[  933.044229][T31307] veth1: left allmulticast mode
[  933.044406][T31307] veth2: left allmulticast mode
[  933.044572][T31307] veth3: left allmulticast mode