[  872.903270][T21861] veth0: entered allmulticast mode
[  872.903623][T21861] veth1: entered allmulticast mode
[  872.903854][T21861] veth2: entered allmulticast mode
[  872.904071][T21861] veth3: entered allmulticast mode
[  883.624077][T21861] veth0: left allmulticast mode
[  883.624341][T21861] veth1: left allmulticast mode
[  883.624519][T21861] veth2: left allmulticast mode
[  883.624689][T21861] veth3: left allmulticast mode