[  830.119064][T21505] veth0: entered allmulticast mode
[  830.119614][T21505] veth1: entered allmulticast mode
[  830.120026][T21505] veth2: entered allmulticast mode
[  830.120708][T21505] veth3: entered allmulticast mode
[  841.146688][T21505] veth0: left allmulticast mode
[  841.147028][T21505] veth1: left allmulticast mode
[  841.147304][T21505] veth2: left allmulticast mode
[  841.147583][T21505] veth3: left allmulticast mode