[  739.412331][T21237] veth0: entered allmulticast mode
[  739.412685][T21237] veth1: entered allmulticast mode
[  739.412933][T21237] veth2: entered allmulticast mode
[  739.413160][T21237] veth3: entered allmulticast mode
[  750.361630][T21237] veth0: left allmulticast mode
[  750.361890][T21237] veth1: left allmulticast mode
[  750.362071][T21237] veth2: left allmulticast mode
[  750.362247][T21237] veth3: left allmulticast mode