[  755.767916][T21567] veth0: entered allmulticast mode
[  755.768269][T21567] veth1: entered allmulticast mode
[  755.768493][T21567] veth2: entered allmulticast mode
[  755.768726][T21567] veth3: entered allmulticast mode
[  766.811466][T21567] veth0: left allmulticast mode
[  766.811714][T21567] veth1: left allmulticast mode
[  766.811900][T21567] veth2: left allmulticast mode
[  766.812070][T21567] veth3: left allmulticast mode