[  842.653578][T21148] veth0: entered allmulticast mode
[  842.653938][T21148] veth1: entered allmulticast mode
[  842.654182][T21148] veth2: entered allmulticast mode
[  842.654408][T21148] veth3: entered allmulticast mode
[  853.441830][T21148] veth0: left allmulticast mode
[  853.442063][T21148] veth1: left allmulticast mode
[  853.442258][T21148] veth2: left allmulticast mode
[  853.442434][T21148] veth3: left allmulticast mode