[ 1633.245101][ T7768] veth0: entered allmulticast mode
[ 1633.246044][ T7768] veth1: entered allmulticast mode
[ 1633.246783][ T7768] veth2: entered allmulticast mode
[ 1633.247469][ T7768] veth3: entered allmulticast mode
[ 1656.626895][ T7768] veth0: left allmulticast mode
[ 1656.627455][ T7768] veth1: left allmulticast mode
[ 1656.627912][ T7768] veth2: left allmulticast mode
[ 1656.628330][ T7768] veth3: left allmulticast mode