[  863.277763][T21821] veth0: entered allmulticast mode
[  863.278348][T21821] veth1: entered allmulticast mode
[  863.279978][T21821] veth2: entered allmulticast mode
[  863.281992][T21821] veth3: entered allmulticast mode
[  875.747303][T21821] veth0: left allmulticast mode
[  875.747741][T21821] veth1: left allmulticast mode
[  875.748105][T21821] veth2: left allmulticast mode
[  875.748485][T21821] veth3: left allmulticast mode