[  836.448111][T20547] veth0: entered allmulticast mode
[  836.448498][T20547] veth1: entered allmulticast mode
[  836.448971][T20547] veth2: entered allmulticast mode
[  836.449205][T20547] veth3: entered allmulticast mode
[  847.532467][T20547] veth0: left allmulticast mode
[  847.532779][T20547] veth1: left allmulticast mode
[  847.533015][T20547] veth2: left allmulticast mode
[  847.533250][T20547] veth3: left allmulticast mode