[  932.191732][T21508] veth0: entered allmulticast mode
[  932.192103][T21508] veth1: entered allmulticast mode
[  932.192345][T21508] veth2: entered allmulticast mode
[  932.192604][T21508] veth3: entered allmulticast mode
[  943.226848][T21508] veth0: left allmulticast mode
[  943.227183][T21508] veth1: left allmulticast mode
[  943.227462][T21508] veth2: left allmulticast mode
[  943.227748][T21508] veth3: left allmulticast mode