[ 1475.571098][ T7531] veth0: entered allmulticast mode
[ 1475.571564][ T7531] veth1: entered allmulticast mode
[ 1475.571904][ T7531] veth2: entered allmulticast mode
[ 1475.572228][ T7531] veth3: entered allmulticast mode
[ 1501.297142][ T7531] veth0: left allmulticast mode
[ 1501.297494][ T7531] veth1: left allmulticast mode
[ 1501.297744][ T7531] veth2: left allmulticast mode
[ 1501.297991][ T7531] veth3: left allmulticast mode