[  657.217920][T21616] veth0: entered allmulticast mode
[  657.218268][T21616] veth1: entered allmulticast mode
[  657.218493][T21616] veth2: entered allmulticast mode
[  657.218728][T21616] veth3: entered allmulticast mode
[  657.218946][T21616] veth4: entered allmulticast mode
[  657.219165][T21616] veth5: entered allmulticast mode
[  668.425640][T21616] veth0: left allmulticast mode
[  668.425878][T21616] veth1: left allmulticast mode
[  668.426058][T21616] veth2: left allmulticast mode
[  668.426230][T21616] veth3: left allmulticast mode
[  668.426398][T21616] veth4: left allmulticast mode
[  668.426564][T21616] veth5: left allmulticast mode