[ 1504.386853][ T9949] veth0: entered allmulticast mode
[ 1504.388277][ T9949] veth1: entered allmulticast mode
[ 1504.388597][ T9949] veth2: entered allmulticast mode
[ 1504.388891][ T9949] veth3: entered allmulticast mode
[ 1529.915119][ T9949] veth0: left allmulticast mode
[ 1529.915417][ T9949] veth1: left allmulticast mode
[ 1529.915645][ T9949] veth2: left allmulticast mode
[ 1529.915904][ T9949] veth3: left allmulticast mode