[  821.371317][T21926] veth0: entered allmulticast mode
[  821.371675][T21926] veth1: entered allmulticast mode
[  821.371914][T21926] veth2: entered allmulticast mode
[  821.372135][T21926] veth3: entered allmulticast mode
[  832.082875][T21926] veth0: left allmulticast mode
[  832.083107][T21926] veth1: left allmulticast mode
[  832.083289][T21926] veth2: left allmulticast mode
[  832.083453][T21926] veth3: left allmulticast mode