[ 1640.250132][ T7507] veth0: entered allmulticast mode
[ 1640.258033][ T7507] veth1: entered allmulticast mode
[ 1640.258357][ T7507] veth2: entered allmulticast mode
[ 1640.258822][ T7507] veth3: entered allmulticast mode
[ 1666.949300][ T7507] veth0: left allmulticast mode
[ 1666.949588][ T7507] veth1: left allmulticast mode
[ 1666.949819][ T7507] veth2: left allmulticast mode
[ 1666.950054][ T7507] veth3: left allmulticast mode